codex-code-review
Warn
Audited by Gen Agent Trust Hub on Oct 5, 2026
Risk Level: MEDIUMCOMMAND_EXECUTIONDYNAMIC_EXECUTIONINDIRECT_PROMPT_INJECTIONDATA_EXFILTRATIONPRIVILEGE_ESCALATION
Full Analysis
- [DYNAMIC_EXECUTION]: The monitoring recipe detailed in
references/codex-transport.mduses thenode -ecommand to execute an inline JavaScript snippet that parses and validates progress data from a JSON file during the review loop. This represents dynamic execution of code generated or defined within the skill's instructions.\n- [COMMAND_EXECUTION]: The skill relies heavily on theBashandnodetools to run local scripts such asscripts/codex-exec.js(the transport adapter),scripts/resolve-feature.sh(for context detection), andscripts/validate-family-sentinel.js(for verdict validation). These scripts are invoked with arguments derived from the repository's state and file system.\n- [INDIRECT_PROMPT_INJECTION]: The skill's workflow involves reading and processing potentially untrusted data from the codebase, including git diffs and acceptance criteria from documentation files (Step 1.5). This data is subsequently interpolated into prompts sent to the Codex service and the secondary reviewer agents, creating a vector for indirect prompt injection.\n- [DATA_EXFILTRATION]: The primary purpose of the skill is to collect local code changes, diff statistics, and project metadata and transmit them to an external service ('Codex') for analysis. This inherent behavior constitutes a structured path for data exfiltration from the local development environment.\n- [PRIVILEGE_ESCALATION]: The transport adapter described inreferences/codex-transport.mdperforms high-complexity system-level operations, such as process liveness monitoring usingkill(pid, 0)and atomic file management in shared temporary directories with strict permission enforcement (0600). The 'Locator' logic also describes a mechanism for automatically copying and installing scripts into the.claude/scripts/directory, which can be used to modify the agent's executable environment.
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