Claude Code is an agentic coding tool. Versions below 1.0.120 failed to account for symlinks when checking permission deny rules. If a user explicitly denied Claude Code access to a file and Claude Code had access to a symlink pointing to that file, it was possible for Claude Code to access the file. 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. This issue is fixed in version 1.0.120.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-32293 Claude Code is an agentic coding tool. Versions below 1.0.120 failed to account for symlinks when checking permission deny rules. If a user explicitly denied Claude Code access to a file and Claude Code had access to a symlink pointing to that file, it was possible for Claude Code to access the file. 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. This issue is fixed in version 1.0.120.
Github GHSA Github GHSA GHSA-66m2-gx93-v996 Claude Code permission deny bypass through symlink
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 24 Oct 2025 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Anthropic
Anthropic claude Code
CPEs cpe:2.3:a:anthropic:claude_code:*:*:*:*:*:node.js:*:*
Vendors & Products Anthropic
Anthropic claude Code
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}


Mon, 06 Oct 2025 14:45:00 +0000

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

Fri, 03 Oct 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 03 Oct 2025 20:15:00 +0000

Type Values Removed Values Added
Description Claude Code is an agentic coding tool. Versions below 1.0.120 failed to account for symlinks when checking permission deny rules. If a user explicitly denied Claude Code access to a file and Claude Code had access to a symlink pointing to that file, it was possible for Claude Code to access the file. 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. This issue is fixed in version 1.0.120.
Title Claude Code: Permission deny bypass is possible through symlink
Weaknesses CWE-61
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-10-03T20:45:39.617Z

Reserved: 2025-09-22T14:34:03.471Z

Link: CVE-2025-59829

cve-icon Vulnrichment

Updated: 2025-10-03T20:24:23.841Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-03T20:15:33.653

Modified: 2025-10-24T19:45:17.387

Link: CVE-2025-59829

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-06T14:42:12Z