CVE-2026-15331

MEDIUM

zhayujie CowAgent Skill Installation service.py _add_package path traversal

Title source: cna
STIX 2.1

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.

References (9)

Core 9
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-377274 | zhayujie CowAgent Skill Installation service.py _add_package path traversal
https://vuldb.com/vuln/377274
Signature, Permissions Required signature permissions-required
VDB-377274 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/377274/cti
Third Party Advisory third-party-advisory
CVE-2026-15331 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-15331
Third Party Advisory third-party-advisory
Submit #853104 | zhayujie CowAgent <= 2.1.0 Improper Limitation of a Pathname to a Restricted Directory (CWE-22)
https://vuldb.com/submit/853104
Issue Tracking issue-tracking
https://github.com/zhayujie/CowAgent/issues/2873

Scores

CVSS v3 5.4
EPSS 0.0038
EPSS Percentile 30.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (3)
zhayujie/CowAgent 2.0
zhayujie/CowAgent 2.1.0
zhayujie/CowAgent 2.1.2
Published Jul 10, 2026
Tracked Since Jul 10, 2026