CVE-2026-84810claude-skill-antivirus Analysis Bypass via Manifest-Only Local Directory Scan
Updated under an hour ago ()
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It affects claude-world claude-skill-antivirus. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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claude-skill-antivirus fails to analyze executable files when scanning local skill directories, reading only SKILL.md while ignoring Python source, bytecode, and other artifacts in the scripts directory. Attackers can distribute skills with malicious code in non-manifest files that receive a SAFE verdict with 100/100 trust score despite containing unanalyzed executable payloads.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-693
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
claude-world claude-skill-antivirus claude_world:claude_skill_antivirus (from the name) | through 2.1.3 | CNA record |
References
- https://github.com/claude-world/claude-skill-antivirus/issues/33issue-tracking
- https://github.com/claude-world/claude-skill-antivirus/blob/v2.1.3/src/utils/downloader.jstechnical-description
- https://github.com/claude-world/claude-skill-antivirus/blob/v2.1.3/src/scanner/index.jstechnical-description
- https://github.com/claude-world/claude-skill-antivirusproduct
- https://www.vulncheck.com/advisories/claude-skill-antivirus-analysis-bypass-via-manifest-only-local-directory-scanthird-party-advisory
- https://github.com/nedlir/skills-scanner-bypass
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.