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OpenAdvisories
Low · 2.3 CVE-2025-59829 EUVD-2025-32506GHSA-66m2-gx93-v996

Claude Code: Permission deny bypass is possible through symlink

Published Oct 3, 2025 · Updated Oct 3, 2025 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
anthropics claude-code < 1.0.120 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @anthropic-ai/claude-code < 1.0.120 1.0.120 GHSA-66m2-gx93-v996

References