CVE-2025-65099: Claude Code vulnerable to command execution prior to startup trust dialog

# CVE-2025-65099: Claude Code vulnerable to command execution prior to startup trust dialog

https://gcdradar.vercel.app/incidents/cve-2025-65099-claude-code-vulnerable-to-command-execution-p · AIR-2025-0373 · closed 2025-11-19

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-11-19
- AI role: Attack on AI
- Products: Claude Code
- CVE ids: CVE-2025-65099
- CVSS: 7.7

## Summary

Yarn configuration files could trigger code execution before the startup trust dialog in Claude Code. This allowed a bypass of directory trust checks when working with untrusted repositories.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-11-19: CVE-2025-65099: Claude Code is an agentic coding tool. (https://nvd.nist.gov/vuln/detail/CVE-2025-65099)
- 2025-11-19: CVE-2025-65099: Claude Code vulnerable to command execution prior to startup trust dialog (https://github.com/advisories/GHSA-5hhx-v7f6-x7gv)

## Sources

- 2025-11-19 GitHub Advisory Database: CVE-2025-65099: Claude Code vulnerable to command execution prior to startup trust dialog https://github.com/advisories/GHSA-5hhx-v7f6-x7gv
- 2025-11-19 NVD: CVE-2025-65099: Claude Code is an agentic coding tool. https://nvd.nist.gov/vuln/detail/CVE-2025-65099

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.