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Vulnerability record · CVE-2026-47091 · published 18 May 2026

CVE-2026-47091: Jarrodwatts claude hud path traversal vulnerability

Jarrodwatts · Claude Hud

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.

4.8 CVSS 4.0 Medium EPSS 0.16% · top 95.4% CWE-22 · Path traversal
4.8CVSS 4.0 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
14 Jul 2026Last modified by NVD

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jarrodwatts/claude-hud/commit/234d9aad919b51326a43bcf90b45ae35c23afc30 Patch
https://github.com/jarrodwatts/claude-hud/issues/485 Issue Tracking
https://github.com/jarrodwatts/claude-hud/pull/487 Issue TrackingPatch
https://www.vulncheck.com/advisories/claude-hud-path-traversal-via-transcript-path Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-47091), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.