CVE-2025-59828: Claude Code vulnerable to arbitrary code execution via Yarn

# CVE-2025-59828: Claude Code vulnerable to arbitrary code execution via Yarn

https://gcdradar.vercel.app/incidents/cve-2025-59828-claude-code-vulnerable-to-arbitrary-code-exec · AIR-2025-0346 · closed 2025-09-24

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-09-24
- AI role: Attack on AI
- Products: Claude Code
- CVE ids: CVE-2025-59828
- CVSS: 7.7

## Summary

Claude Code was found vulnerable to arbitrary code execution through plugin autoloading with specific Yarn versions and configuration files. Users received automatic fixes through standard auto-updates.

## What to do

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

## Latest updates

- 2025-09-24: CVE-2025-59828: Claude Code is an agentic coding tool. (https://nvd.nist.gov/vuln/detail/CVE-2025-59828)
- 2025-09-24: CVE-2025-59828: Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions (https://github.com/advisories/GHSA-2jjv-qf24-vfm4)

## Sources

- 2025-09-24 GitHub Advisory Database: CVE-2025-59828: Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions https://github.com/advisories/GHSA-2jjv-qf24-vfm4
- 2025-09-24 NVD: CVE-2025-59828: Claude Code is an agentic coding tool. https://nvd.nist.gov/vuln/detail/CVE-2025-59828

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