CVE-2025-59829 — UNIX Symbolic Link (Symlink) Following in Claude-code

CWE-61 — UNIX Symbolic Link (Symlink) Following3 documents3 sources
Severity
2.3LOWNVD
EPSS
0.1%
top 83.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Anthropics Claude-codeAnthropic Claude CodeAnthropic-ai Claude-code
Timeline
PublishedOct 3

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 1.0.1…

CVSS 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

Affected Packages3 packages

▶NVDanthropic/claude_code< 1.0.120
▶CVEListV5anthropics/claude-code< 1.0.120

🔴Vulnerability Details

2
OSV
Claude Code permission deny bypass through symlink↗2025-10-03
▶
GHSA
Claude Code permission deny bypass through symlink↗2025-10-03
▶