CVE-2026-15331

zhayujie CowAgent Skill Installation service.py _add_package path traversal

MEDIUM
5.4
CVSS Score
Published: July 10, 2026 at 04:15 AM UTC
Updated: October 25, 2026 at 03:10 PM UTC
1 product affected across 1 vendorCowAgent

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions2.02.1.0
Vendor states this is fixed in 2.1.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/377274
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/377274/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-15331
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/853104
Issue TrackingPatch
Source: cverecord
https://github.com/zhayujie/CowAgent/pull/2886

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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