Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-84810

CVE-2026-84810HIGH

claude-world claude-skill-antivirus — claude-skill-antivirus Analysis Bypass via Manifest-Only Local Directory Scan

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   P   N   H   N    7.1   .0032   22.5     —

AFFECTED
  Product                 Versions     Fixed
  claude-skill-antivirus  unspecified  —

TIMELINE
  Sep 2   Reserved by VulnCheck
  Sep 2   Published (CNA: VulnCheck)
  Sep 24  EXPLOIT PUBLISHED — CVE-2026-84810 (claude-world claude-skill-antivirus). Public exploit reference added.

CWE-693 · CNA: VulnCheck · CVSS v4.0 · 6 references · NVD status: Deferred

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 2, 2026	Reserved	Reserved by VulnCheck
September 2, 2026	Published	Published (CNA: VulnCheck)
September 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-84810 (claude-world claude-skill-antivirus). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
claude-world	claude-skill-antivirus	—	—	—

Weaknesses

CWE-693

References (6)

https://github.com/claude-world/claude-skill-antivirus [product]
https://github.com/claude-world/claude-skill-antivirus/blob/v2.1.3/src/scanner/index.js [technical-description]
https://github.com/claude-world/claude-skill-antivirus/blob/v2.1.3/src/utils/downloader.js [technical-description]
https://github.com/claude-world/claude-skill-antivirus/issues/33 [issue-tracking]
https://github.com/nedlir/skills-scanner-bypass [exploit]
https://www.vulncheck.com/advisories/claude-skill-antivirus-analysis-bypass-via-manifest-only-local-directory-scan [third-party-advisory]

Authoritative record: CVE-2026-84810 at cve.org

Vendors: claude-world

Weaknesses: CWE-693

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-84810 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.