edcc155b-17a1-450d-b845-c79d9f717d86
Open this run to answer one question: is this real attacker-relevant behavior with real impact, or just normal contract plumbing?
| ID | Type | Status | Attempts | Heartbeat |
|---|---|---|---|---|
| 30586 | report.consolidate | complete | 1 / 1 | 3 months ago |
| 104375 | artifact.fetch | failed | 1 / 3 | 1 week ago |
| 104376 | tool.cast_disasm | complete | 1 / 3 | 1 week ago |
| 104377 | analysis.bundle | complete | 1 / 3 | 1 week ago |
| 104378 | capability.graph | complete | 1 / 3 | 1 week ago |
| 104379 | detector.run | complete | 1 / 3 | 1 week ago |
| 104380 | validation.fork | complete | 1 / 3 | 1 week ago |
No slither job recorded yet.
[codex:1037723] OpenAI Codex v0.77.0 (research preview)
[codex:1037723] --------
[codex:1037723] workdir: /tmp/codex-multi-l7aloro8
[codex:1037723] model: gpt-5.2-codex
[codex:1037723] provider: openai
[codex:1037723] approval: never
[codex:1037723] sandbox: read-only
[codex:1037723] reasoning effort: xhigh
[codex:1037723] reasoning summaries: auto
[codex:1037723] session id: 019b6c14-593d-7202-a56a-e5ec842fd8e1
[codex:1037723] --------
[codex:1037723] user
[codex:1037723] You are a security auditor. Audit this Solidity codebase for exploitable vulnerabilities.
[codex:1037723] Focus on: reentrancy, access control, upgradeability/proxy issues, signature validation, oracle manipulation,
[codex:1037723] accounting/invariant breaks, external call patterns, unchecked return values, and dangerous delegatecall.
[codex:1037723]
[codex:1037723] Scope rules:
[codex:1037723] - You MUST fully read `AUDIT_BUNDLE.txt` before concluding. It contains the complete contents of all first-party `contracts/**/*.sol` files.
[codex:1037723] - Treat `lib/` and `@openzeppelin/` as third-party dependencies; skip them unless there is a concrete misuse angle in first-party code.
[codex:1037723]
[codex:1037723] Output MUST be valid JSON matching the provided schema.
[codex:1037723] - If you find nothing meaningful: set no_findings=true and findings=[].
[codex:1037723] - Otherwise: set no_findings=false and include findings with severity/category/title and file/line locations when possible.
[codex:1037723]
[codex:1037723] Output constraints (IMPORTANT):
[codex:1037723] - severity MUST be exactly one of: info, low, medium, high, critical (lowercase).
[codex:1037723] - category MUST be exactly one of: access_control, reentrancy, math, oracle, upgradeability, auth, other.
[codex:1037723] mcp startup: no servers
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Preparing to read AUDIT_BUNDLE**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc ls in /tmp/codex-multi-l7aloro8 succeeded in 5ms:
[codex:1037723] AUDIT_BUNDLE.txt
[codex:1037723] codex-output-schema.json
[codex:1037723] contracts
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Reading file**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc 'cat AUDIT_BUNDLE.txt' in /tmp/codex-multi-l7aloro8 succeeded in 5ms:
[codex:1037723] This file concatenates the full contents of first-party Solidity sources for auditing.
[codex:1037723]
[codex:1037723] ================================================================================
[codex:1037723] FILE: contracts/lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol
[codex:1037723] ================================================================================
[codex:1037723] // SPDX-License-Identifier: MIT
[codex:1037723] // OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)
[codex:1037723]
[codex:1037723] pragma solidity ^0.8.0;
[codex:1037723]
[codex:1037723] import "../token/ERC20/IERC20.sol";
[codex:1037723]
[codex:1037723] ================================================================================
[codex:1037723] FILE: contracts/lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
[codex:1037723] ================================================================================
[codex:1037723] // SPDX-License-Identifier: MIT
[codex:1037723] // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
[codex:1037723]
[codex:1037723] pragma solidity ^0.8.0;
[codex:1037723]
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Ensuring complete AUDIT_BUNDLE reading**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc "sed -n '1,200p' AUDIT_BUNDLE.txt" in /tmp/codex-multi-l7aloro8 succeeded in 6ms:
[codex:1037723] This file concatenates the full contents of first-party Solidity sources for auditing.
[codex:1037723]
[codex:1037723] ================================================================================
[codex:1037723] FILE: contracts/lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol
[codex:1037723] ================================================================================
[codex:1037723] // SPDX-License-Identifier: MIT
[codex:1037723] // OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)
[codex:1037723]
[codex:1037723] pragma solidity ^0.8.0;
[codex:1037723]
[codex:1037723] import "../token/ERC20/IERC20.sol";
[codex:1037723]
[codex:1037723] ================================================================================
[codex:1037723] FILE: contracts/lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
[codex:1037723] ================================================================================
[codex:1037723] // SPDX-License-Identifier: MIT
[codex:1037723] // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
[codex:1037723]
[codex:1037723] pragma solidity ^0.8.0;
[codex:1037723]
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Requesting more file content**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc "sed -n '200,400p' AUDIT_BUNDLE.txt" in /tmp/codex-multi-l7aloro8 succeeded in 6ms:
[codex:1037723] ) internal {
[codex:1037723] _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
[codex:1037723] }
[codex:1037723]
[codex:1037723] /**
[codex:1037723] * @dev Deprecated. This function has issues similar to the ones found in
[codex:1037723] * {IERC20-approve}, and its usage is discouraged.
[codex:1037723] *
[codex:1037723] * Whenever possible, use {safeIncreaseAllowance} and
[codex:1037723] * {safeDecreaseAllowance} instead.
[codex:1037723] */
[codex:1037723] function safeApprove(
[codex:1037723] IERC20 token,
[codex:1037723] address spender,
[codex:1037723] uint256 value
[codex:1037723] ) internal {
[codex:1037723] // safeApprove should only be called when setting an initial allowance,
[codex:1037723] // or when resetting it to zero. To increase and decrease it, use
[codex:1037723] // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
[codex:1037723] require(
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Continuing exploration**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc "sed -n '400,800p' AUDIT_BUNDLE.txt" in /tmp/codex-multi-l7aloro8 succeeded in 5ms:
[codex:1037723] address target,
[codex:1037723] bytes memory data,
[codex:1037723] uint256 value
[codex:1037723] ) internal returns (bytes memory) {
[codex:1037723] return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
[codex:1037723] }
[codex:1037723]
[codex:1037723] /**
[codex:1037723] * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
[codex:1037723] * with `errorMessage` as a fallback revert reason when `target` reverts.
[codex:1037723] *
[codex:1037723] * _Available since v3.1._
[codex:1037723] */
[codex:1037723] function functionCallWithValue(
[codex:1037723] address target,
[codex:1037723] bytes memory data,
[codex:1037723] uint256 value,
[codex:1037723] string memory errorMessage
[codex:1037723] ) internal returns (bytes memory) {
[codex:1037723] require(address(this).balance >= value, "Address: insufficient balance for call");
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Finishing exploration**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc "sed -n '800,1200p' AUDIT_BUNDLE.txt" in /tmp/codex-multi-l7aloro8 succeeded in 5ms:
[codex:1037723] result += 32;
[codex:1037723] }
[codex:1037723] if (value >= 10**16) {
[codex:1037723] value /= 10**16;
[codex:1037723] result += 16;
[codex:1037723] }
[codex:1037723] if (value >= 10**8) {
[codex:1037723] value /= 10**8;
[codex:1037723] result += 8;
[codex:1037723] }
[codex:1037723] if (value >= 10**4) {
[codex:1037723] value /= 10**4;
[codex:1037723] result += 4;
[codex:1037723] }
[codex:1037723] if (value >= 10**2) {
[codex:1037723] value /= 10**2;
[codex:1037723] result += 2;
[codex:1037723] }
[codex:1037723] if (value >= 10**1) {
[codex:1037723] result += 1;
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Finishing reading remaining content**
[codex:1037723] exec
[codex:1037723] /bin/bash -lc "sed -n '1200,1423p' AUDIT_BUNDLE.txt" in /tmp/codex-multi-l7aloro8 succeeded in 5ms:
[codex:1037723] emit TokensWithdrawn(msg.sender, recipient_, amount);
[codex:1037723] }
[codex:1037723]
[codex:1037723] /**
[codex:1037723] * @notice Cancel the stream and update recipient's fair share of the funds to their current balance.
[codex:1037723] * Each party must take additional action to withdraw their funds:
[codex:1037723] * recipient must call `withdrawAfterCancel`.
[codex:1037723] * payer must call `recoverTokens`.
[codex:1037723] * Only this stream's payer or recipient can call this function.
[codex:1037723] * Reverts if executed after recipient has withdrawn the full stream amount, or if executed more than once.
[codex:1037723] */
[codex:1037723] function cancel() external onlyPayerOrRecipient {
[codex:1037723] address payer_ = payer();
[codex:1037723] address recipient_ = recipient();
[codex:1037723]
[codex:1037723] if (remainingBalance == 0) revert StreamNotActive();
[codex:1037723]
[codex:1037723] uint256 recipientActiveBalance_ = recipientActiveBalance();
[codex:1037723]
[codex:1037723] // This token amount is available to recipient to withdraw via `withdrawAfterCancel`.
[codex:1037723]
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Reviewing Stream contract for vulnerabilities**
[codex:1037723] thinking
[codex:1037723] **Evaluating risks of direct calls to implementation contract**
[codex:1037723]
[codex:1037723] I'm examining how the immutable args cloning pattern may allow attackers to spoof access control by calling the implementation contract directly with crafted calldata, potentially letting them manipulate immutables and withdraw tokens if any are sent accidentally to the implementation. This is a known clone pattern risk but might warrant mitigation in this code.
[codex:1037723] exec
[codex:1037723] /bin/bash -lc 'rg --files contracts/src' in /tmp/codex-multi-l7aloro8 succeeded in 17ms:
[codex:1037723] contracts/src/Stream.sol
[codex:1037723] contracts/src/IStream.sol
[codex:1037723]
[codex:1037723]
[codex:1037723]
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Analyzing token stream security nuances**
[codex:1037723]
[codex:1037723] I'm carefully examining potential vulnerabilities around token withdrawals, recoveries, and clone initialization, focusing on subtle access control and reentrancy concerns—especially relating to delegated tokens, timestamp validations, and the implementation contract’s exposure to crafted calldata that could lead to unintended token drains.
[codex:1037723] thinking
[codex:1037723] **Evaluating token transfer and initialization risks**
[codex:1037723]
[codex:1037723] I’m exploring issues involving deflationary tokens affecting payouts, the lack of initialization guards that could enable reinitialization by the factory allowing double withdrawals, unchecked arithmetic possibly causing balance miscalculations, and the security implications of calling the implementation contract directly versus via clones with immutable arguments.
[codex:1037723] thinking
[codex:1037723] **Reviewing reentrancy and arithmetic safety**
[codex:1037723]
[codex:1037723] I’m analyzing reentrancy scenarios around token transfers, especially with ERC777 hooks, verifying internal modifier enforcement, and closely inspecting unchecked arithmetic in balance calculations that could impact withdrawal limits under extreme inputs or configuration errors.
[codex:1037723] thinking
[codex:1037723] **Summarizing final assessment and output format**
[codex:1037723]
[codex:1037723] I’m concluding that there are no significant exploitable vulnerabilities given assumptions about factory trust and token standards, and I’m preparing a concise JSON summary with no findings to match the required output schema.
[codex:1037723] exec
[codex:1037723] /bin/bash -lc 'cat codex-output-schema.json' in /tmp/codex-multi-l7aloro8 succeeded in 7ms:
[codex:1037723] {"type": "object", "additionalProperties": false, "required": ["no_findings", "summary", "findings"], "properties": {"no_findings": {"type": "boolean"}, "summary": {"type": "string"}, "findings": {"type": "array", "items": {"type": "object", "additionalProperties": false, "required": ["severity", "category", "title", "evidence", "locations", "exploit_scenario", "recommendation"], "properties": {"severity": {"type": "string", "enum": ["info", "low", "medium", "high", "critical"]}, "category": {"type": "string", "enum": ["access_control", "reentrancy", "math", "oracle", "upgradeability", "auth", "other"]}, "title": {"type": "string"}, "exploit_scenario": {"type": "string"}, "recommendation": {"type": "string"}, "evidence": {"type": "string"}, "locations": {"type": "array", "items": {"type": "string"}}}}}}}
[codex:1037723]
[codex:1037723] thinking
[codex:1037723] **Preparing final JSON summary**
[codex:1037723] codex
[codex:1037723] {"no_findings":true,"summary":"Reviewed `contracts/src/Stream.sol` and `contracts/src/IStream.sol`; no exploitable vulnerabilities found in scope. Assumes the factory enforces valid stream parameters and standard ERC20 behavior.","findings":[]}
[codex:1037723] tokens used
[codex:1037723] 44,556
[codex:1037723] {"no_findings":true,"summary":"Reviewed `contracts/src/Stream.sol` and `contracts/src/IStream.sol`; no exploitable vulnerabilities found in scope. Assumes the factory enforces valid stream parameters and standard ERC20 behavior.","findings":[]}
{
"codex": {
"ran_at": "2025-12-29T21:52:32.466403+00:00",
"returncode": 0
},
"summary": "Reviewed `contracts/src/Stream.sol` and `contracts/src/IStream.sol`; no exploitable vulnerabilities found in scope. Assumes the factory enforces valid stream parameters and standard ERC20 behavior.",
"raw_final": {
"summary": "Reviewed `contracts/src/Stream.sol` and `contracts/src/IStream.sol`; no exploitable vulnerabilities found in scope. Assumes the factory enforces valid stream parameters and standard ERC20 behavior.",
"findings": [],
"no_findings": true
},
"no_findings": true,
"schema_version": 1
}
00000000: CALLDATASIZE 00000001: PUSH1 0x2c 00000003: JUMPI 00000004: CALLVALUE 00000005: RETURNDATASIZE 00000006: MSTORE 00000007: PUSH32 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff 00000028: MSIZE 00000029: RETURNDATASIZE 0000002a: LOG1 0000002b: STOP 0000002c: JUMPDEST 0000002d: CALLDATASIZE 0000002e: RETURNDATASIZE 0000002f: RETURNDATASIZE 00000030: CALLDATACOPY 00000031: RETURNDATASIZE 00000032: RETURNDATASIZE 00000033: RETURNDATASIZE 00000034: RETURNDATASIZE 00000035: PUSH2 0x00b2 00000038: DUP1 00000039: PUSH1 0x62 0000003b: CALLDATASIZE 0000003c: CODECOPY 0000003d: CALLDATASIZE 0000003e: ADD 0000003f: RETURNDATASIZE 00000040: PUSH20 0x0b9dff1aba32a9fa95011c7f097ec672f689038f 00000055: GAS 00000056: DELEGATECALL 00000057: RETURNDATASIZE 00000058: RETURNDATASIZE 00000059: SWAP4 0000005a: DUP1 0000005b: RETURNDATACOPY 0000005c: PUSH1 0x60 0000005e: JUMPI 0000005f: REVERT 00000060: JUMPDEST 00000061: RETURN 00000062: UNKNOWN(0x0F) 00000063: UNKNOWN(0xD2) 00000064: MOD 00000065: UNKNOWN(0xFC) 00000066: PUSH27 0x7dbcd5661157edcb1ffdd0d02a61ffb1a32fc9f9d8b2cf86c068ca 00000082: UNKNOWN(0xE1) 00000083: BALANCE 00000084: ADDMOD 00000085: DUP1 00000086: SWAP6 00000087: SELFBALANCE 00000088: UNKNOWN(0xEF) 00000089: PUSH18 0x8d2a84300d6ce230ed3fffc23dbcdf1e6c78 0000009c: UNKNOWN(0x1F) 0000009d: CREATE 0000009e: STOP 0000009f: STOP 000000a0: STOP 000000a1: STOP 000000a2: STOP 000000a3: STOP 000000a4: STOP 000000a5: STOP 000000a6: STOP 000000a7: STOP 000000a8: STOP 000000a9: STOP 000000aa: STOP 000000ab: STOP 000000ac: STOP 000000ad: STOP 000000ae: STOP 000000af: STOP 000000b0: STOP 000000b1: STOP 000000b2: STOP 000000b3: STOP 000000b4: STOP 000000b5: MOD 000000b6: DUP2 000000b7: SSTORE 000000b8: LOG4 000000b9: CALLDATASIZE 000000ba: PUSH23 0xe00000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 000000d2: STOP 000000d3: STOP 000000d4: STOP 000000d5: STOP 000000d6: STOP 000000d7: STOP 000000d8: STOP 000000d9: STOP 000000da: STOP 000000db: STOP 000000dc: STOP 000000dd: STOP 000000de: STOP 000000df: STOP 000000e0: STOP 000000e1: STOP 000000e2: STOP 000000e3: STOP 000000e4: STOP 000000e5: STOP 000000e6: STOP 000000e7: STOP 000000e8: STOP 000000e9: STOP 000000ea: STOP 000000eb: STOP 000000ec: STOP 000000ed: STOP 000000ee: PUSH6 0x90af00000000 000000f5: STOP 000000f6: STOP 000000f7: STOP 000000f8: STOP 000000f9: STOP 000000fa: STOP 000000fb: STOP 000000fc: STOP 000000fd: STOP 000000fe: STOP 000000ff: STOP 00000100: STOP 00000101: STOP 00000102: STOP 00000103: STOP 00000104: STOP 00000105: STOP 00000106: STOP 00000107: STOP 00000108: STOP 00000109: STOP 0000010a: STOP 0000010b: STOP 0000010c: STOP 0000010d: STOP 0000010e: PUSH25
| Severity | Category | Tool | Title | Confidence | Validated | Confirmed | Details |
|---|---|---|---|---|---|---|---|
| critical | upgradeability | detector | Untrusted DELEGATECALL target reachable | 70 | no | no |
viewvalidation_json{
"sink": "DELEGATECALL",
"errors": 10,
"status": "unknown",
"attempts": 11,
"confirmed": false,
"trace_mode": "callTracer",
"call_targets": null,
"matched_probe": null,
"target_varies": null,
"classification": "no_sink"
}
witness_json{
"notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
"constraints": [],
"entrypoints": [
{
"calldata": "0x",
"selector": "fallback",
"calldata_variants": [
"0x"
]
}
]
}
evidence_json{
"examples": [
{
"pc": 86,
"opcode": "DELEGATECALL",
"returndata_checked": null,
"value_expression_category": "n/a",
"target_expression_category": "computed"
}
],
"guards_detected": [],
"delegatecall_count": 1,
"untrusted_delegatecall_count": 1
}
|
| medium | upgradeability | cast | DELEGATECALL present | 80 | no | — |
viewevidence_json{
"notes": "delegatecall enables execution in caller context; common in proxies/upgradeable patterns",
"delegatecall_count": 1
}
|
| medium | other | detector | CREATE/CREATE2 reachable | 45 | no | no |
viewtrace_id: 0x2ae27ba674f293e872ceebd7c3113768b623b6c5c12ad7a6a354567ab8d337c1
validation_json{
"sink": "CREATE",
"errors": 0,
"status": "unknown",
"attempts": 1,
"trace_id": "0x2ae27ba674f293e872ceebd7c3113768b623b6c5c12ad7a6a354567ab8d337c1",
"confirmed": false,
"trace_mode": "structLogs",
"call_targets": null,
"matched_probe": null,
"target_varies": null,
"classification": "no_sink"
}
witness_json{
"notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
"constraints": [],
"entrypoints": [
{
"calldata": "0x",
"selector": "fallback",
"calldata_variants": [
"0x"
]
}
]
}
evidence_json{
"create_count": 1,
"create2_count": 0
}
|
| low | other | cast | Contract creation opcode present | 60 | no | — |
viewevidence_json{
"notes": "runtime can deploy contracts dynamically via CREATE/CREATE2",
"create_count": 1,
"create2_count": 0
}
|