Analysis Run

{"no_findings":false,"summary":"Bytecode-only review flagged computed DELEGATECALL targets and multiple external CALLs with value; guard presence is not detectable from the artifacts, so risks depend on who can reach these paths.","findings":[{"severity":"medium","category":"other","title":"Computed DELEGATECALL target may be attacker-controlled","exploit_scenario":"If a caller can influence the delegatecall target (e.g., via calldata or a writable storage slot), they can execute arbitrary code in the contract’s context, corrupt storage, or escalate privileges. Because DELEGATECALL runs in the caller’s storage, compromise here can be total.","recommendation":"Constrain delegatecall targets to a vetted/whitelisted set or immutable registry, and gate execution with strong authorization (owner/EntryPoint) and explicit target validation (e.g., codehash checks). If not required, remove delegatecall paths.","evidence":"Detector reports 2 DELEGATECALL sites with computed targets and no guards detected (untrusted_delegatecall_count=2). Callsites list DELEGATECALL at pc 0xe33 and 0x11b6.","locations":["pc:0xe33","pc:0x11b6"]},{"severity":"low","category":"access_control","title":"External CALLs with ETH to computed targets require strict authorization","exploit_scenario":"If any execute-style entrypoint is reachable without robust authorization, an attacker could trigger external CALLs with user-controlled targets and value to drain ETH or reenter via a malicious callee. This is especially risky if state updates occur around the call.","recommendation":"Ensure all CALL paths are gated by strong authorization (e.g., owner/EntryPoint checks) and consider reentrancy protections around state updates. Validate or constrain target/value inputs if possible.","evidence":"Detector shows 10 CALL sites with computed targets/values and possible ETH transfers (eth_value_calls=10) with no guards detected. Callsites include pc 0x5c0, 0xab8, 0xc29, 0x100b, 0x1292, 0x16bc, 0x16fd, 0x1771, 0x1b05, 0x1f62.","locations":["pc:0x5c0","pc:0xab8","pc:0xc29","pc:0x100b","pc:0x1292","pc:0x16bc","pc:0x16fd","pc:0x1771","pc:0x1b05","pc:0x1f62"]}]}

OpenAI Codex v0.77.0 (research preview)
--------
workdir: /tmp/codex-w46pt6xe
model: gpt-5.2-codex
provider: openai
approval: never
sandbox: read-only
reasoning effort: high
reasoning summaries: auto
session id: 019c0f4a-49dd-7e62-8ed6-8a19f19aac69
--------
user
Context: The user requested the proxy at 0xa2d07d64d7cfc0fe1b58549ea36119e9e81a88f6.
Audit the implementation at 0xd3f582f6b4814e989ee8e96bc3175320b5a540ab.
Findings should refer to the implementation unless explicitly about proxy mechanics.

You are a security auditor. You ONLY have runtime bytecode + analysis artifacts.
You MUST read `BYTECODE_BUNDLE.json` before concluding; it contains the bytecode summary,
evidence bundle, callsites, storage slots, and detector findings.

Special cases when reasoning from bytecode (be explicit about uncertainty):
- Selector inference is best-effort; missing selectors are common.
- Fallback/receive paths may be the only entrypoints.
- CALL vs DELEGATECALL semantics differ; DELEGATECALL executes in caller storage.
- Proxy patterns (EIP-1967, minimal proxies, beacon) change which storage is authoritative.
- Storage slots are raw; mappings/arrays appear via keccak patterns, names are unknown.
- Guard detection is heuristic; absence of guards does NOT mean unguarded.
- Returndata checking is unknown unless explicitly shown in evidence.
- Precompiles (0x1..0x9) and common ERC20 transfer selectors may appear; do not over-claim.

Output MUST be valid JSON matching the provided schema.
- If you find nothing meaningful: set no_findings=true and findings=[].
- Otherwise: set no_findings=false and include findings with severity/category/title.
- Locations can be pc references like "pc:0x123" or selectors like "selector:0xa9059cbb".

Focus on: reentrancy, access control, upgradeability/proxy issues, signature validation,
accounting/invariant breaks, dangerous delegatecall, and untrusted external calls.
Be conservative: if evidence is weak, mark severity low/medium and explain why.
mcp startup: no servers
exec
/bin/bash -lc ls in /tmp/codex-w46pt6xe succeeded in 6ms:
BYTECODE_BUNDLE.json
codex-output-schema.json
exec
/bin/bash -lc 'cat BYTECODE_BUNDLE.json' in /tmp/codex-w46pt6xe succeeded in 27ms:
{
  "analysis_artifact": {
    "address": "0xd3f582f6b4814e989ee8e96bc3175320b5a540ab",
    "artifact_hash": "0x2fc537903ee85eef90b252a0e8bbb2de2b6ea2ace2e8aa6da1527d0fa7d6cada",
    "artifact_json": {
      "auth": {
        "guards": []
      },
      "basic_blocks": [
        {
          "end_pc": 13,
          "hash": "0x86b9a73a5d5e82b1d142a0be840c25b0b3e2fa0accf8597e38e3ec8266e9e2e1",
          "opcodes": [
            "PUSH1",
            "PUSH1",
            "MSTORE",
            "PUSH1",
            "CALLDATASIZE",
            "LT",
            "ISZERO",
exec
/bin/bash -lc 'rg -n "storage|slot|eip" BYTECODE_BUNDLE.json' in /tmp/codex-w46pt6xe succeeded in 16ms:
12467:          "storage": {
12469:            "slots": [
12473:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12478:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12483:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12488:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12493:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12498:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12503:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12508:                "slot": "0x0000000000000000000000000000000000000000000000000000000000001e63"
12513:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12518:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12523:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12528:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12546:          "storage": {
12548:            "slots": [
12552:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12557:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12562:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
12567:                "slot": "0x0000000000000000000000000000000000000000000000000000000000000020"
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
print(data.keys())
print(data['analysis_artifact'].keys())
print(data['analysis_artifact']['artifact_json'].keys())
PY" in /tmp/codex-w46pt6xe succeeded in 36ms:
dict_keys(['analysis_artifact', 'analysis_run', 'artifact', 'capability_graph', 'detector_findings', 'heuristics_summary'])
dict_keys(['address', 'artifact_hash', 'artifact_json', 'block_number', 'chain_id', 'codehash', 'created_at', 'id', 'updated_at', 'version'])
dict_keys(['auth', 'basic_blocks', 'callsites', 'cfg_edges', 'cfg_hash', 'dispatcher_type', 'function_entries', 'functions', 'selectors', 'sinks', 'storage', 'version'])
exec
/bin/bash -lc "python - <<'PY'
import json, textwrap
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
art=data['analysis_artifact']['artifact_json']
print('dispatcher_type', art.get('dispatcher_type'))
print('selectors', art.get('selectors')[:10])
print('functions count', len(art.get('functions', [])))
print('function_entries count', len(art.get('function_entries', [])))
print('callsites count', len(art.get('callsites', [])))
print('storage keys', art.get('storage', {}).keys())
PY" in /tmp/codex-w46pt6xe succeeded in 34ms:
dispatcher_type selector_jump_table
selectors ['0x06fdde03', '0x0b3dc354', '0x150b7a02', '0x1626ba7e', '0x29f8b174', '0x333daf92', '0x34fcd5be', '0x3659cfe6', '0x3a871cdd', '0x3e1b0812']
functions count 23
function_entries count 23
callsites count 16
storage keys dict_keys(['keccak_count', 'reads', 'slots', 'writes'])
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
art=data['analysis_artifact']['artifact_json']
print('selectors:', art['selectors'])
PY" in /tmp/codex-w46pt6xe succeeded in 29ms:
selectors: ['0x06fdde03', '0x0b3dc354', '0x150b7a02', '0x1626ba7e', '0x29f8b174', '0x333daf92', '0x34fcd5be', '0x3659cfe6', '0x3a871cdd', '0x3e1b0812', '0x51166ba0', '0x51945447', '0x54fd4d50', '0x55b14f50', '0x57b75047', '0x84b0196e', '0x88e7fd06', '0xb0d691fe', '0xb68df16d', '0xbc197c81', '0xd087d288', '0xd1f57894', '0xd5416221']
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
print('analysis_run keys', data['analysis_run'].keys())
print('artifact keys', data['artifact'].keys())
print('capability_graph keys', data['capability_graph'].keys())
PY" in /tmp/codex-w46pt6xe succeeded in 36ms:
analysis_run keys dict_keys(['address', 'block_number', 'chain_id', 'child_links', 'created_at', 'id', 'parent_links', 'status', 'updated_at'])
artifact keys dict_keys(['codehash', 'compiler_json', 'implementation_address', 'is_proxy', 'runtime_bytecode', 'verified_source'])
capability_graph keys dict_keys(['address', 'block_number', 'chain_id', 'codehash', 'created_at', 'graph_hash', 'graph_json', 'id', 'updated_at', 'version'])
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
print(data['artifact'])
PY" in /tmp/codex-w46pt6xe succeeded in 29ms:
{'codehash': '0x450f6888483e50f3381b8d1d3d19b148c4f954277d1a2206981f160abb5c7469', 'compiler_json': {'compiler_version': None, 'etherscan': {'contract_name': None, 'implementation': None, 'license': 'Unknown', 'proxy': '0', 'swarm_source': None}, 'optimizer_enabled': False, 'optimizer_runs': 0, 'proxy_evidence': {'status': 'not_proxy'}}, 'implementation_address': None, 'is_proxy': False, 'runtime_bytecode': {'full': '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'head': None, 'length': 17188, 'tail': None, 'truncated': False}, 'verified_source': False}
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
graph=data['capability_graph']['graph_json']
print(graph.keys())
print('nodes', len(graph.get('nodes', [])))
print('edges', len(graph.get('edges', [])))
# show a sample of sinks or calls
# extract edges to sink
sink_edges=[e for e in graph.get('edges',[]) if 'sink' in e.get('to','')]
print('sink_edges', len(sink_edges))
print('first sink edges', sink_edges[:5])
PY" in /tmp/codex-w46pt6xe succeeded in 33ms:
dict_keys(['edges', 'nodes', 'version'])
nodes 577
edges 686
sink_edges 16
first sink edges [{'from': 'call:1472', 'to': 'sink:call', 'type': 'capability'}, {'from': 'call:2300', 'to': 'sink:staticcall', 'type': 'capability'}, {'from': 'call:2744', 'to': 'sink:call', 'type': 'capability'}, {'from': 'call:3113', 'to': 'sink:call', 'type': 'capability'}, {'from': 'call:3635', 'to': 'sink:delegatecall', 'type': 'capability'}]
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
art=data['analysis_artifact']['artifact_json']
# find callsite details
callsites={n['id']:n for n in art.get('callsites', [])}
for cid in ['call:3635','call:4534']:
    print(cid, callsites.get(cid))
PY" in /tmp/codex-w46pt6xe exited 1 in 55ms:
Traceback (most recent call last):
  File "<stdin>", line 6, in <module>
KeyError: 'id'
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
art=data['analysis_artifact']['artifact_json']
print(type(art['callsites']))
print(art['callsites'][:5])
PY" in /tmp/codex-w46pt6xe succeeded in 104ms:
<class 'list'>
[{'opcode': 'CALL', 'pc': 1472, 'returndata_checked': None, 'target_expression_category': 'computed', 'value_expression_category': 'computed'}, {'opcode': 'STATICCALL', 'pc': 2300, 'returndata_checked': None, 'target_expression_category': 'computed', 'value_expression_category': 'n/a'}, {'opcode': 'CALL', 'pc': 2744, 'returndata_checked': None, 'target_expression_category': 'computed', 'value_expression_category': 'computed'}, {'opcode': 'CALL', 'pc': 3113, 'returndata_checked': None, 'target_expression_category': 'computed', 'value_expression_category': 'computed'}, {'opcode': 'DELEGATECALL', 'pc': 3635, 'returndata_checked': None, 'target_expression_category': 'computed', 'value_expression_category': 'n/a'}]
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
node_map={n['id']:n for n in data['capability_graph']['graph_json']['nodes'] if 'id' in n}
print(node_map.get('call:3635'))
print(node_map.get('call:4534'))
PY" in /tmp/codex-w46pt6xe succeeded in 29ms:
{'id': 'call:3635', 'opcode': 'DELEGATECALL', 'pc': 3635, 'type': 'callsite'}
{'id': 'call:4534', 'opcode': 'DELEGATECALL', 'pc': 4534, 'type': 'callsite'}
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
edges=data['capability_graph']['graph_json']['edges']
# find functions leading to delegatecall callsites
for cid in ['call:3635','call:4534']:
    from_nodes=[e['from'] for e in edges if e['to']==cid]
    print(cid, 'from', from_nodes[:10])
PY" in /tmp/codex-w46pt6xe succeeded in 41ms:
call:3635 from ['bb:3620']
call:4534 from ['bb:4523']
exec
/bin/bash -lc "python - <<'PY'
import json
from collections import defaultdict, deque
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
G=defaultdict(list)
for e in data['capability_graph']['graph_json']['edges']:
    G[e['from']].append(e['to'])
# Find which function entry can reach bb:3620 or bb:4523 using BFS from functions
functions=[n['id'] for n in data['capability_graph']['graph_json']['nodes'] if n.get('type')=='function']
# Build reverse graph for reachability to target
RG=defaultdict(list)
for e in data['capability_graph']['graph_json']['edges']:
    RG[e['to']].append(e['from'])

def find_sources(target):
    # BFS reverse to function nodes
    seen=set([target])
    q=deque([target])
    sources=set()
    while q:
        cur=q.popleft()
        for prev in RG.get(cur, []):
            if prev in seen: continue
            seen.add(prev)
            if prev.startswith('fn:'):
                sources.add(prev)
            else:
                q.append(prev)
    return sources

for target in ['bb:3620','bb:4523']:
    src=find_sources(target)
    print(target, src)
PY" in /tmp/codex-w46pt6xe succeeded in 54ms:
bb:3620 set()
bb:4523 set()
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
func_nodes=[n for n in data['capability_graph']['graph_json']['nodes'] if n.get('type')=='function']
print(func_nodes[:3])
PY" in /tmp/codex-w46pt6xe succeeded in 40ms:
[{'entry_pc': 188597076, 'id': 'fn:0x06fdde03', 'selector': '0x06fdde03', 'type': 'function'}, {'entry_pc': 353073666, 'id': 'fn:0x0b3dc354', 'selector': '0x0b3dc354', 'type': 'function'}, {'entry_pc': 371636862, 'id': 'fn:0x150b7a02', 'selector': '0x150b7a02', 'type': 'function'}]
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
edges=data['capability_graph']['graph_json']['edges']
# edges from function nodes
f_edges=[e for e in edges if e['from'].startswith('fn:')]
print('function edges', len(f_edges))
print(f_edges[:10])
PY" in /tmp/codex-w46pt6xe succeeded in 38ms:
function edges 22
[{'from': 'fn:0x06fdde03', 'to': 'bb:188597076', 'type': 'entry'}, {'from': 'fn:0x0b3dc354', 'to': 'bb:353073666', 'type': 'entry'}, {'from': 'fn:0x150b7a02', 'to': 'bb:371636862', 'type': 'entry'}, {'from': 'fn:0x1626ba7e', 'to': 'bb:704164212', 'type': 'entry'}, {'from': 'fn:0x29f8b174', 'to': 'bb:859680658', 'type': 'entry'}, {'from': 'fn:0x333daf92', 'to': 'bb:888985022', 'type': 'entry'}, {'from': 'fn:0x34fcd5be', 'to': 'bb:911855590', 'type': 'entry'}, {'from': 'fn:0x3659cfe6', 'to': 'bb:981933277', 'type': 'entry'}, {'from': 'fn:0x3a871cdd', 'to': 'bb:1041958930', 'type': 'entry'}, {'from': 'fn:0x3e1b0812', 'to': 'bb:1360423840', 'type': 'entry'}]
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
node_ids=set(n['id'] for n in data['capability_graph']['graph_json']['nodes'])
print('bb:188597076' in node_ids)
print('bb:3620' in node_ids)
# print node for bb:188597076
for n in data['capability_graph']['graph_json']['nodes']:
    if n['id']=='bb:188597076':
        print(n)
        break
PY" in /tmp/codex-w46pt6xe succeeded in 34ms:
False
True
exec
/bin/bash -lc "python - <<'PY'
import json
from pprint import pprint
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
storage=data['analysis_artifact']['artifact_json']['storage']
print('reads', len(storage.get('reads', [])))
print('writes', len(storage.get('writes', [])))
print('slots', len(storage.get('slots', [])))
print('keccak_count', storage.get('keccak_count'))
# print unique slots maybe
slots=set(s['slot'] for s in storage.get('slots', []))
print('unique slots', len(slots))
print('slots sample', list(slots)[:10])
PY" in /tmp/codex-w46pt6xe exited 1 in 61ms:
Traceback (most recent call last):
  File "<stdin>", line 6, in <module>
TypeError: object of type 'int' has no len()
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
storage=data['analysis_artifact']['artifact_json']['storage']
print(storage.keys())
print('reads type', type(storage.get('reads')))
print('writes type', type(storage.get('writes')))
print('slots type', type(storage.get('slots')))
print('keccak_count', storage.get('keccak_count'))
PY" in /tmp/codex-w46pt6xe succeeded in 65ms:
dict_keys(['keccak_count', 'reads', 'slots', 'writes'])
reads type <class 'int'>
writes type <class 'int'>
slots type <class 'list'>
keccak_count 9
exec
/bin/bash -lc "python - <<'PY'
import json
from itertools import islice
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
slots=data['analysis_artifact']['artifact_json']['storage']['slots']
print(slots[:5])
PY" in /tmp/codex-w46pt6xe succeeded in 40ms:
[{'op': 'SLOAD', 'pc': 853, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3011, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3192, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3415, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 4018, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}]
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
cs=data['analysis_artifact']['artifact_json']['callsites']
print('delegatecall pcs', [c['pc'] for c in cs if c['opcode']=='DELEGATECALL'])
print('call pcs', [c['pc'] for c in cs if c['opcode']=='CALL'])
print('staticcall pcs', [c['pc'] for c in cs if c['opcode']=='STATICCALL'])
PY" in /tmp/codex-w46pt6xe succeeded in 28ms:
delegatecall pcs [3635, 4534]
call pcs [1472, 2744, 3113, 4107, 4754, 5820, 5885, 6001, 6917, 8034]
staticcall pcs [2300, 3959, 7706, 8162]
exec
/bin/bash -lc "python - <<'PY'
import json
from collections import Counter
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
slots=[s['slot'] for s in data['analysis_artifact']['artifact_json']['storage']['slots']]
ctr=Counter(slots)
print('unique', len(ctr))
print(ctr.most_common(10))
PY" in /tmp/codex-w46pt6xe succeeded in 43ms:
unique 2
[('0x0000000000000000000000000000000000000000000000000000000000000020', 11), ('0x0000000000000000000000000000000000000000000000000000000000001e63', 1)]
exec
/bin/bash -lc "python - <<'PY'
import json
from pprint import pprint
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
funcs=data['analysis_artifact']['artifact_json']['functions']
print(funcs[:2])
PY" in /tmp/codex-w46pt6xe succeeded in 44ms:
[{'auth': {'guards': []}, 'entry_pc': 188597076, 'selector': '0x06fdde03', 'sinks': {'call': 10, 'delegatecall': 2, 'selfdestruct': 0, 'staticcall': 4}, 'storage': {'reads': 20, 'slots': [{'op': 'SLOAD', 'pc': 853, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3011, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3192, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3415, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 4018, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 4242, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 5611, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 7824, 'slot': '0x0000000000000000000000000000000000000000000000000000000000001e63'}, {'op': 'SLOAD', 'pc': 7986, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 8092, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 8196, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 8329, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}], 'writes': 5}}, {'auth': {'guards': []}, 'entry_pc': 353073666, 'selector': '0x0b3dc354', 'sinks': {'call': 10, 'delegatecall': 2, 'selfdestruct': 0, 'staticcall': 4}, 'storage': {'reads': 20, 'slots': [{'op': 'SLOAD', 'pc': 853, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3011, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3192, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 3415, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 4018, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 4242, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 5611, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 7824, 'slot': '0x0000000000000000000000000000000000000000000000000000000000001e63'}, {'op': 'SLOAD', 'pc': 7986, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 8092, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 8196, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}, {'op': 'SLOAD', 'pc': 8329, 'slot': '0x0000000000000000000000000000000000000000000000000000000000000020'}], 'writes': 5}}]
exec
/bin/bash -lc "python - <<'PY'
print(hex(3635), hex(4534), hex(1472), hex(2744), hex(3113), hex(4107), hex(4754), hex(5820), hex(5885), hex(6001), hex(6917), hex(8034))
PY" in /tmp/codex-w46pt6xe succeeded in 53ms:
0xe33 0x11b6 0x5c0 0xab8 0xc29 0x100b 0x1292 0x16bc 0x16fd 0x1771 0x1b05 0x1f62
exec
/bin/bash -lc "python - <<'PY'
import json
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
# search recursively for key
from collections import deque
found=[]
stack=deque([(data, '')])
while stack:
    obj, path=stack.pop()
    if isinstance(obj, dict):
        for k,v in obj.items():
            newpath=f\"{path}.{k}\" if path else k
            if k=='upgrade_slot_write_suspected':
                found.append((newpath, v))
            stack.append((v, newpath))
    elif isinstance(obj, list):
        for i,v in enumerate(obj):
            stack.append((v, f\"{path}[{i}]\") )
print(found[:5])
PY" in /tmp/codex-w46pt6xe succeeded in 48ms:
[('analysis_artifact.artifact_json.sinks.upgrade_slot_write_suspected', False)]
exec
/bin/bash -lc "python - <<'PY'
import json
from pprint import pprint
with open('BYTECODE_BUNDLE.json') as f:
    data=json.load(f)
pprint(data['analysis_artifact']['artifact_json']['sinks'])
PY" in /tmp/codex-w46pt6xe succeeded in 63ms:
{'call': 10,
 'create': 0,
 'create2': 0,
 'delegatecall': 2,
 'selfdestruct': 0,
 'staticcall': 4,
 'upgrade_slot_write_suspected': False}
codex
{"no_findings":false,"summary":"Bytecode-only review flagged computed DELEGATECALL targets and multiple external CALLs with value; guard presence is not detectable from the artifacts, so risks depend on who can reach these paths.","findings":[{"severity":"medium","category":"other","title":"Computed DELEGATECALL target may be attacker-controlled","exploit_scenario":"If a caller can influence the delegatecall target (e.g., via calldata or a writable storage slot), they can execute arbitrary code in the contract’s context, corrupt storage, or escalate privileges. Because DELEGATECALL runs in the caller’s storage, compromise here can be total.","recommendation":"Constrain delegatecall targets to a vetted/whitelisted set or immutable registry, and gate execution with strong authorization (owner/EntryPoint) and explicit target validation (e.g., codehash checks). If not required, remove delegatecall paths.","evidence":"Detector reports 2 DELEGATECALL sites with computed targets and no guards detected (untrusted_delegatecall_count=2). Callsites list DELEGATECALL at pc 0xe33 and 0x11b6.","locations":["pc:0xe33","pc:0x11b6"]},{"severity":"low","category":"access_control","title":"External CALLs with ETH to computed targets require strict authorization","exploit_scenario":"If any execute-style entrypoint is reachable without robust authorization, an attacker could trigger external CALLs with user-controlled targets and value to drain ETH or reenter via a malicious callee. This is especially risky if state updates occur around the call.","recommendation":"Ensure all CALL paths are gated by strong authorization (e.g., owner/EntryPoint checks) and consider reentrancy protections around state updates. Validate or constrain target/value inputs if possible.","evidence":"Detector shows 10 CALL sites with computed targets/values and possible ETH transfers (eth_value_calls=10) with no guards detected. Callsites include pc 0x5c0, 0xab8, 0xc29, 0x100b, 0x1292, 0x16bc, 0x16fd, 0x1771, 0x1b05, 0x1f62.","locations":["pc:0x5c0","pc:0xab8","pc:0xc29","pc:0x100b","pc:0x1292","pc:0x16bc","pc:0x16fd","pc:0x1771","pc:0x1b05","pc:0x1f62"]}]}
tokens used
57,744

{
    "codex": {
        "ran_at": "2026-01-30T14:28:30.684396+00:00",
        "returncode": 0
    },
    "project": {
        "mode": "bytecode",
        "bytecode_length": 17188,
        "bytecode_truncated": false,
        "capability_graph_present": true,
        "analysis_artifact_present": true
    },
    "summary": "Bytecode-only review flagged computed DELEGATECALL targets and multiple external CALLs with value; guard presence is not detectable from the artifacts, so risks depend on who can reach these paths.",
    "raw_final": {
        "summary": "Bytecode-only review flagged computed DELEGATECALL targets and multiple external CALLs with value; guard presence is not detectable from the artifacts, so risks depend on who can reach these paths.",
        "findings": [
            {
                "title": "Computed DELEGATECALL target may be attacker-controlled",
                "category": "other",
                "evidence": "Detector reports 2 DELEGATECALL sites with computed targets and no guards detected (untrusted_delegatecall_count=2). Callsites list DELEGATECALL at pc 0xe33 and 0x11b6.",
                "severity": "medium",
                "locations": [
                    "pc:0xe33",
                    "pc:0x11b6"
                ],
                "recommendation": "Constrain delegatecall targets to a vetted/whitelisted set or immutable registry, and gate execution with strong authorization (owner/EntryPoint) and explicit target validation (e.g., codehash checks). If not required, remove delegatecall paths.",
                "exploit_scenario": "If a caller can influence the delegatecall target (e.g., via calldata or a writable storage slot), they can execute arbitrary code in the contract\u2019s context, corrupt storage, or escalate privileges. Because DELEGATECALL runs in the caller\u2019s storage, compromise here can be total."
            },
            {
                "title": "External CALLs with ETH to computed targets require strict authorization",
                "category": "access_control",
                "evidence": "Detector shows 10 CALL sites with computed targets/values and possible ETH transfers (eth_value_calls=10) with no guards detected. Callsites include pc 0x5c0, 0xab8, 0xc29, 0x100b, 0x1292, 0x16bc, 0x16fd, 0x1771, 0x1b05, 0x1f62.",
                "severity": "low",
                "locations": [
                    "pc:0x5c0",
                    "pc:0xab8",
                    "pc:0xc29",
                    "pc:0x100b",
                    "pc:0x1292",
                    "pc:0x16bc",
                    "pc:0x16fd",
                    "pc:0x1771",
                    "pc:0x1b05",
                    "pc:0x1f62"
                ],
                "recommendation": "Ensure all CALL paths are gated by strong authorization (e.g., owner/EntryPoint checks) and consider reentrancy protections around state updates. Validate or constrain target/value inputs if possible.",
                "exploit_scenario": "If any execute-style entrypoint is reachable without robust authorization, an attacker could trigger external CALLs with user-controlled targets and value to drain ETH or reenter via a malicious callee. This is especially risky if state updates occur around the call."
            }
        ],
        "no_findings": false
    },
    "no_findings": false,
    "proxy_context": {
        "proxy_run_id": "019c0ea9-0900-7147-9322-e26ba5b89eeb",
        "proxy_address": "0xa2d07d64d7cfc0fe1b58549ea36119e9e81a88f6",
        "implementation_run_id": "019c0eab-41f8-709b-a0d5-a4b9b6478fe1",
        "implementation_address": "0xd3f582f6b4814e989ee8e96bc3175320b5a540ab"
    },
    "schema_version": 1
}

00000000: RETURNDATASIZE
00000001: RETURNDATASIZE
00000002: CALLER
00000003: PUSH20 0x5de4839a76cf55d0c90e2061ef4386d962e15ae3
00000018: EQ
00000019: PUSH1 0x57
0000001b: JUMPI
0000001c: CALLDATASIZE
0000001d: RETURNDATASIZE
0000001e: RETURNDATASIZE
0000001f: CALLDATACOPY
00000020: CALLDATASIZE
00000021: RETURNDATASIZE
00000022: PUSH32 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
00000043: SLOAD
00000044: GAS
00000045: DELEGATECALL
00000046: RETURNDATASIZE
00000047: PUSH1 0x00
00000049: DUP1
0000004a: RETURNDATACOPY
0000004b: PUSH1 0x52
0000004d: JUMPI
0000004e: RETURNDATASIZE
0000004f: PUSH1 0x00
00000051: REVERT
00000052: JUMPDEST
00000053: RETURNDATASIZE
00000054: PUSH1 0x00
00000056: RETURN
00000057: JUMPDEST
00000058: RETURNDATASIZE
00000059: CALLDATALOAD
0000005a: PUSH1 0x20
0000005c: CALLDATALOAD
0000005d: SSTORE
0000005e: PUSH1 0x40
00000060: DUP1
00000061: CALLDATASIZE
00000062: GT
00000063: ISZERO
00000064: PUSH1 0x52
00000066: JUMPI
00000067: CALLDATASIZE
00000068: SUB
00000069: DUP1
0000006a: PUSH1 0x40
0000006c: RETURNDATASIZE
0000006d: CALLDATACOPY
0000006e: RETURNDATASIZE
0000006f: RETURNDATASIZE
00000070: CALLDATALOAD
00000071: GAS
00000072: DELEGATECALL
00000073: RETURNDATASIZE
00000074: PUSH1 0x00
00000076: DUP1
00000077: RETURNDATACOPY
00000078: PUSH1 0x52
0000007a: JUMPI
0000007b: RETURNDATASIZE
0000007c: PUSH1 0x00
0000007e: REVERT