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CVE-2025-59828— Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions

Quick assessment

Affected
anthropics claude-code
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Claude Code是Anthropic开源的一个代理编码工具。 Claude Code 1.0.39之前版本存在安全漏洞，该漏洞源于Yarn插件自动执行，可能导致绕过目录信任对话框。

AI Predicted 5.6 Difficulty: Moderate EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-59828

Vulnerability Information
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Vulnerability Title
Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions
Source: CVE Program / CVE List V5
Vulnerability 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-update will have received this fix automatically. Users performing manual updates are advised to update to the latest version.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
从非可信控制范围包含功能例程
Source: CVE Program / CVE List V5
Vulnerability Title
Claude Code 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Claude Code是Anthropic开源的一个代理编码工具。 Claude Code 1.0.39之前版本存在安全漏洞，该漏洞源于Yarn插件自动执行，可能导致绕过目录信任对话框。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
anthropics claude-code < 1.0.39 -

II. Public POCs for CVE-2025-59828

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III. Intelligence Information for CVE-2025-59828

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IV. Related Vulnerabilities

Same product: claude-code
Same vendor: anthropics
Same weakness: CWE-829

V. Comments for CVE-2025-59828

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