CVE-2026-47091
Claude HUD 0.0.12 Path Traversal via transcript_path
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.
INFO
Published Date :
May 18, 2026, 8:16 p.m.
Last Modified :
June 2, 2026, 7:09 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Apply the patch for commit 234d9aa.
- Validate the transcript_path input.
- Restrict cache file permissions.
Public PoC/Exploit Available at Github
CVE-2026-47091 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-47091.
| URL | Resource |
|---|---|
| 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 Tracking Patch |
| https://www.vulncheck.com/advisories/claude-hud-path-traversal-via-transcript-path | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-47091 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-47091
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Writeup for CVEs
audit cve infosec secuirty security-audit security-research security-testing vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-47091 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-47091 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:jarrodwatts:claude_hud:*:*:*:*:*:claude_code:*:* versions up to (including) 0.0.12 Added Reference Type VulnCheck: https://github.com/jarrodwatts/claude-hud/commit/234d9aad919b51326a43bcf90b45ae35c23afc30 Types: Patch Added Reference Type VulnCheck: https://github.com/jarrodwatts/claude-hud/issues/485 Types: Issue Tracking Added Reference Type VulnCheck: https://github.com/jarrodwatts/claude-hud/pull/487 Types: Issue Tracking, Patch Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/claude-hud-path-traversal-via-transcript-path Types: Third Party Advisory -
New CVE Received by [email protected]
May. 18, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-22 Added Reference https://github.com/jarrodwatts/claude-hud/commit/234d9aad919b51326a43bcf90b45ae35c23afc30 Added Reference https://github.com/jarrodwatts/claude-hud/issues/485 Added Reference https://github.com/jarrodwatts/claude-hud/pull/487 Added Reference https://www.vulncheck.com/advisories/claude-hud-path-traversal-via-transcript-path