CVE-2026-84810: claude-skill-antivirus fails to analyze executable files when scanning local skill directories, reading only SKILL.md wh
Summary
claude-skill-antivirus has a vulnerability where it only scans SKILL.md (a manifest file describing what a skill does) but ignores actual executable files like Python scripts and compiled code when checking skill packages for safety. This means attackers can hide malicious code in the executable files while the manifest stays clean, causing the tool to incorrectly mark dangerous skills as completely safe.
Vulnerability Details
6.5(medium)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
network
low
none
required
September 2, 2026
Classification
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-84810
First tracked: September 2, 2026 at 02:07 PM
Classified by LLM (prompt v3) · confidence: 85%