Anthropic: path traversal
High7.7CVE-2025-54794 · Published Aug 1, 2025
Due to a path validation flaw using prefix matching instead of canonical path comparison, it was possible to bypass directory restrictions and access files outside the CWD. Successful exploitation depends on the presence of (or ability to create) a directory with the same prefix as the CWD and the ability to add untrusted content into a Claude Code context window. Users on standard Claude Code auto-update received this fix automatically after release. Current users of Claude Code are unaffected, as versions prior to 1.0.24 are deprecated and have been forced to update. Thank you to Elad Beber (Cymulate) for reporting this issue!
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| @anthropic-ai/claude-code npm | < v0.2.111 | v0.2.111 |
Details and references
- CVSS 4.0
- 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
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-22
More Anthropic advisories
All Anthropic| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 92025 | Command Injection in Claude Code rg command allowed bypass of user approval prompt for command execution | High8.7 | 1.0.105 |
| Sep 92025 | Claude Code vulnerable to arbitrary code execution caused by maliciously configured git email | High8.7 | 1.0.105 |
| Sep 22025 | Claude Code Vulnerable to Arbitrary Code Execution Due to Insufficient Startup Warning | High8.7 | v1.0.87 |
| Aug 152025 | Permissive Default Allowlist Enables Unauthorized File Read and Network Exfiltration in Claude Code | High7.1 | v1.0.4 |
| Aug 12025 | Command Injection in Claude Code echo command allowed bypass of user approval prompt for command execution | High8.7 | v1.0.20 |
| Jun 232025 | Claude Code IDE extensions allow websocket connections from arbitrary origins | High8.8 | 1.0.24andabove+2 more |