Auth bypass in Anthropics Claude-code
CVE-2025-59828
Claude Code is an agentic coding tool. Prior to Claude Code version 1.0.39, when using Claude Code with Yarn versions 2.0+, Yarn plugins are auto-executed when running yarn --version. This could lead to a bypass of the directory trust dial…
EPSS: 0.001 (23.6th percentile) — read the EPSS interpretation.
Affected products
- Anthropics Claude-code — versions < 1.0.39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/anthropics/claude-code/security/advisories/GHSA-2jjv-qf24-vfm4 (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2025-59828?
- CVE-2025-59828 is a vulnerability in Anthropics Claude-code, classified under Inclusion of Functionality from Untrusted Control Sphere. Published 2025-09-24.
- Is CVE-2025-59828 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.