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Vulnerability · Published Jul 10, 2026 · Assigned by VulDB

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

Medium 5.4

In plain English

A medium-severity path traversal in CowAgent from zhayujie. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 61.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
zhayujie CowAgent 2.02.1.0

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C

References