What’s Vulnerable › Vulnerabilities

CVE-2026-15331: zhayujie CowAgent Skill Installation service.py _add_package path traversal

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-10 · updated 2026-10-25
• Weakness: CWE-22

Description

A vulnerability was identified in zhayujie CowAgent up to 2.1.0. The affected 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 leads to path traversal. The attack may be initiated remotely. Upgrading to version 2.1.2 is sufficient to fix this issue. The identifier of the patch is e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. It is advisable to upgrade the affected component.

Affected products

• zhayujie CowAgent: 2.0, 2.1.0

References

• https://github.com/zhayujie/CowAgent/
• https://github.com/zhayujie/CowAgent/commit/e85290cddcbb5ffc9c235927f4c92e5b4c3ec264
• https://github.com/zhayujie/CowAgent/issues/2873
• https://github.com/zhayujie/CowAgent/pull/2886
• https://github.com/zhayujie/CowAgent/releases/tag/2.1.2
• https://vuldb.com/cve/CVE-2026-15331
• https://vuldb.com/submit/853104
• https://vuldb.com/vuln/377274
• https://vuldb.com/vuln/377274/cti
• https://github.com/zhayujie/CowAgent/issues/2873

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