CVE-2025-59828 — Inclusion of Functionality from Untrusted Control Sphere in Claude-code

CWE-829 — Inclusion of Functionality from Untrusted Control SphereCWE-862 — Missing Authorization3 documents3 sources
Severity
7.7HIGHNVD
EPSS
0.1%
top 77.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Anthropics Claude-codeAnthropic Claude CodeAnthropic-ai Claude-code
Timeline
PublishedSep 24

Description

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 dialog in Claude Code, as plugins would be executed prior to the user accepting the risks of working in an untrusted directory. Users running Yarn Classic were unaffected by this issue. This issue has been fixed in version 1.0.39. Users on standard Claude Code auto…

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages3 packages

▶NVDanthropic/claude_code< 1.0.39
▶CVEListV5anthropics/claude-code< 1.0.39

🔴Vulnerability Details

2
GHSA
Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions↗2025-09-24
▶
OSV
Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions↗2025-09-24
▶