PatchSiren cyber security CVE debrief
CVE-2026-18992 zhayujie CVE debrief
A vulnerability was detected in zhayujie CowAgent up to 2.1.1. This vulnerability affects the function _select_tools of the file agent/evolution/executor.py of the component Self-Evolution Review Agent. Performing a manipulation results in incorrect authorization. The attack is possible to be carried out remotely. The vulnerability class is related to incorrect authorization. Likely operational impact includes unauthorized access. Source-confidence limits are based on limited information. Review context suggests users should verify affected versions and apply patches or mitigations.
- Vendor
- zhayujie
- Product
- CowAgent
- CVSS
- LOW 2.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-06
- Original CVE updated
- 2026-08-06
- Advisory published
- 2026-08-06
- Advisory updated
- 2026-08-06
Who should care
Users of zhayujie CowAgent up to version 2.1.1 should review and apply patches or mitigations. Operators, platform administrators, vulnerability management teams, and security teams should assess the impact and prioritize defensive reviews based on the low CVSS score and limited information. Affected operator, platform, vulnerability-management, and security-team impact should be considered.
Technical summary
The vulnerability affects the _select_tools function in agent/evolution/executor.py of zhayujie CowAgent up to version 2.1.1, leading to incorrect authorization. The attack can be carried out remotely. Users should review and apply patches or mitigations. Affected product context includes zhayujie CowAgent up to version 2.1.1. Defensive impact involves incorrect authorization. Source-grounded technical framing is based on limited information.
Defensive priority
Low-priority defensive review recommended due to low CVSS score and limited information.
Recommended defensive actions
- Review official CVE record for updates
- Verify affected versions and systems
- Monitor for public exploit development
- Apply patches or mitigations for zhayujie CowAgent up to version 2.1.1
- Review compensating controls for exposed systems
- Check relevant monitoring, detection, and logs for exposed assets
- Track exceptions and retest remediated assets
Evidence notes
Evidence is limited; verify vulnerability details through official channels. The vulnerability affects zhayujie CowAgent up to version 2.1.1, specifically the _select_tools function in agent/evolution/executor.py, leading to incorrect authorization. Defenders should verify affected versions, review official advisories, and monitor for public exploit development.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-06T05:16:41.157Z and has not been modified since then.