CVE-2025-54794
published 2025-08-05CVE-2025-54794: Claude Code is an agentic coding tool. In versions below 0.2.111, a path validation flaw using prefix matching instead of canonical path comparison, makes it…
PriorityP359critical9.1CVSS 3.1
AVNACLPRNUINSUCHIHAN
EPSS
0.85%
53.6th percentile
Claude Code is an agentic coding tool. In versions below 0.2.111, a path validation flaw using prefix matching instead of canonical path comparison, makes it 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. This is fixed in version 0.2.111.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| anthropic-ai | claude-code | >= 0 < 0.2.111 | 0.2.111 |
| anthropic | claude_code | < 0.2.111 | 0.2.111 |
| anthropics | claude-code | < 0.2.111 | 0.2.111 |
CVSS provenance
nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
nvdv4.07.7HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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OSV
Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
osv·2025-08-04
CVE-2025-54794 [HIGH] Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
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!
GHSA
Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
ghsa·2025-08-04
CVE-2025-54794 [HIGH] CWE-22 Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
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!
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-08-05
Published