Vulnerability Description
Claude HUD through 0.0.12, patched in commit 234d9aa, contains a path traversal vulnerability that allows attackers to read arbitrary files by supplying an unvalidated transcript_path value via stdin JSON. Attackers can access any file readable by the process and the file metadata is written to a persistent cache file with insufficient permissions, creating a forensic record of accessed paths that survives process exit.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/jarrodwatts/claude-hud/commit/234d9aad919b51326a43bcf90b45ae3
- https://github.com/jarrodwatts/claude-hud/issues/485
- https://github.com/jarrodwatts/claude-hud/pull/487
- https://www.vulncheck.com/advisories/claude-hud-path-traversal-via-transcript-pa
FAQ
What is CVE-2026-47091?
CVE-2026-47091 is a vulnerability with a CVSS score of 3.3 (LOW). Claude HUD through 0.0.12, patched in commit 234d9aa, contains a path traversal vulnerability that allows attackers to read arbitrary files by supplying an unvalidated transcript_path value via stdin ...
How severe is CVE-2026-47091?
CVE-2026-47091 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-47091?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.