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Vulnerability record · CVE-2026-47090 · published 18 May 2026

CVE-2026-47090: Jarrodwatts claude hud vulnerability

Jarrodwatts · Claude Hud

Claude HUD through 0.0.12, patched in commit 234d9aa, constructs OSC 8 terminal hyperlink escape sequences using raw cwd and branchUrl values without stripping control characters or encoding embedded values, allowing attackers to inject arbitrary ANSI codes into terminal sessions. Attackers can embed ESC+backslash sequences in the current working directory or branch URL to execute malicious ANSI codes including text color changes, forged prompts, and OSC 52 clipboard writes, or trigger outbound HTTP requests to attacker-controlled remotes when hyperlinks are clicked.

2.4 CVSS 4.0 Low EPSS 0.15% · top 96.5% CWE-150 · CWE-150
2.4CVSS 4.0 base score
0.15%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, constructs OSC 8 terminal hyperlink escape sequences using raw cwd and branchUrl values without stripping control characters or encoding embedded values, allowing attackers to inject arbitrary ANSI codes into terminal sessions. Attackers can embed ESC+backslash sequences in the current working directory or branch URL to execute malicious ANSI codes including text color changes, forged prompts, and OSC 52 clipboard writes, or trigger outbound HTTP requests to attacker-controlled remotes when hyperlinks are clicked.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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-terminal-injection-via-osc-8-hyperlinks Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.3CVE-2026-47092Jarrodwatts claude hud uncontrolled search path element vulnerabilityClaude HUD through 0.0.12, patched in commit 234d9aa, contains a command injection vulnerability that allows local attackers to execute arbitrary com…EPSS 0.89%4.8CVE-2026-47091Jarrodwatts claude hud path traversal vulnerabilityClaude HUD through 0.0.12, patched in commit 234d9aa, contains a path traversal vulnerability that allows attackers to read arbitrary files by supply…EPSS 0.16%

Source: NIST National Vulnerability Database (record CVE-2026-47090), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.