zhayujie CowAgent up to 2.1.0 Skill Installation agent/skills/service.py _add_url/_add_package Name path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in zhayujie CowAgent up to 2.1.0. The impacted element is the function _add_url/_add_package of the file agent/skills/service.py of the component Skill Installation Handler. The manipulation of the argument Name results in path traversal. This vulnerability is cataloged as CVE-2026-15331. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in zhayujie CowAgent up to 2.1.0. Affected is the function _add_url/_add_package of the file agent/skills/service.py of the component Skill Installation Handler. The manipulation of the argument name with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-15331. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2.1.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch e85290cddcbb5ffc9c235927f4c92e5b4c3ec264 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• zhayujie

Name

• CowAgent

Version

• 2.0
• 2.1.0

License

• open-source

Website

• Product: https://github.com/zhayujie/CowAgent/

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

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Submitinfo

Accepted

• Submit #853104: zhayujie CowAgent <= 2.1.0 Improper Limitation of a Pathname to a Restricted Directory (CWE-22) (by Eric-x)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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