claude-skill-antivirus fails to analyze executable files in skill directories
claude-skill-antivirus only scans SKILL.md manifests while ignoring Python source code and other executable artifacts in skill directories, allowing attackers to distribute skills with malicious code that receive a SAFE verdict despite containing unanalyzed payloads.
Disclosed 2 September 2026 · Record updated 13 September 2026
Impact
Malicious skills can be distributed with a trusted SAFE verdict and high trust score while containing executable payloads in unanalyzed files.
Our coverage
No articles linked to this incident yet.
Sources
- github.comhttps://github.com/advisories/GHSA-gvgj-r6pg-m42w
- github.comhttps://github.com/advisories/GHSA-79wm-x847-7cvg
