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.
History

Fri, 21 Nov 2025 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Anthropics
Anthropics claude Code
Vendors & Products Anthropics
Anthropics claude Code

Thu, 20 Nov 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 19 Nov 2025 17:45:00 +0000

Type Values Removed Values Added
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.
Title Claude Code vulnerable to command execution prior to startup trust dialog
Weaknesses CWE-94
References
Metrics cvssV4_0

{'score': 7.7, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-11-19T17:35:17.349Z

Updated: 2025-11-20T14:20:44.499Z

Reserved: 2025-11-17T20:55:34.692Z

Link: CVE-2025-65099

cve-icon Vulnrichment

Updated: 2025-11-20T14:20:41.962Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-19T18:15:51.837

Modified: 2025-11-19T19:14:59.327

Link: CVE-2025-65099

cve-icon Redhat

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