CVE-2025-65099— Claude Code vulnerable to command execution prior to startup trust dialog
Quick assessment
Affected
anthropics claude-code
Exploitation
Public or AI PoC available; prioritize validation
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之前版本存在代码注入漏洞，该漏洞源于在Yarn 3.0及以上环境中可能通过yarn插件执行项目代码，无需用户接受启动信任对话框。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-65099
Vulnerability Information
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Vulnerability Title
Claude Code vulnerable to command execution prior to startup trust dialog
Source: CVE Program / CVE List V5
Vulnerability Description
Claude Code is an agentic coding tool. Prior to version 1.0.39, when running on a machine with Yarn 3.0 or above, Claude Code could have been tricked to execute code contained in a project via yarn plugins before the user accepted the startup trust dialog. Exploiting this would have required a user to start Claude Code in an untrusted directory and to be using Yarn 3.0 or above. This issue has been patched in version 1.0.39.
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
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Claude Code 代码注入漏洞
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之前版本存在代码注入漏洞，该漏洞源于在Yarn 3.0及以上环境中可能通过yarn插件执行项目代码，无需用户接受启动信任对话框。
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-2025-65099
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/b-faller/cve-2025-65099 | POC Details |
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Vendor Advisories for CVE-2025-65099 (1)
IV. Related Vulnerabilities
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Same weakness: CWE-94
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V. Comments for CVE-2025-65099
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