Path Traversal in Zhayujie Cowagent
CVE-2026-15331
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (44.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Zhayujie Cowagent — versions 2.0, 2.1.0, 2.1.2
Weakness classification (CWE)
References
- github.com/zhayujie/CowAgent/ (product)
- github.com/zhayujie/CowAgent/commit/e85290cddcbb5ffc9c235927f4c92e5b4c3ec264 (patch)
- github.com/zhayujie/CowAgent/issues/2873 (issue-tracking)
- github.com/zhayujie/CowAgent/pull/2886 (issue-tracking, patch)
- github.com/zhayujie/CowAgent/releases/tag/2.1.2 (patch)
- vuldb.com/cve/CVE-2026-15331 (third-party-advisory)
- vuldb.com/submit/853104 (third-party-advisory)
- vuldb.com/vuln/377274 (technical-description, vdb-entry)
- vuldb.com/vuln/377274/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-15331?
- CVE-2026-15331 is a medium-severity vulnerability in Zhayujie Cowagent, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-07-10.
- How severe is CVE-2026-15331?
- Medium severity. CVSS v3 base score is 5.4 out of 10.