What’s Vulnerable › Vulnerabilities
CVE-2025-59829: Claude Code: Permission deny bypass is possible through symlink
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-10-03 · updated 2026-10-08
- Weakness: CWE-61
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
- anthropics claude-code: before 1.0.120 — fixed in 1.0.120
How to fix
Upgrade to a fixed version: anthropics claude-code 1.0.120. Check the vendor advisory for mitigations.
References
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