CVE-2026-47090: Claude HUD through 0.0.12, patched in commit 234d9aa, constructs OSC 8 terminal hyperlink escape sequences usi

Q: How do I fix CVE-2026-47090?

claude hud: upgrade to newer than 0.0.12. Exact commands for each OS are on this page.

Q: Is CVE-2026-47090 being exploited?

CVE-2026-47090 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-47090 affect?

CVE-2026-47090 affects claude hud. Severity is medium (CVSS 4.6). 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 arb

Q: How urgent is CVE-2026-47090?

Priority 16/100. No elevated risk signals yet.

Routine

MEDIUM 4.6UPGRADE

CVE-2026-47090 is a medium-severity flaw (CVSS 4.6) affecting claude hud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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,

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-150
Published	2026-05-18
Last modified	2026-10-26

Publisher (CNA): VulnCheck · Vendor: jarrodwatts

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-18 20:16 UTCPublished CVE record published
2026-10-26 13:10 UTCUpdated Record last modified

jarrodwatts claude hud UPGRADE

Affected: <= 0.0.12

Fixed in: newer than 0.0.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy claude-hud || rpm -q claude-hud || claude-hud --version

2. UPGRADE to newer than 0.0.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade claude-hud

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade claude-hud

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-47090?

claude hud: upgrade to newer than 0.0.12. Exact commands for each OS are on this page.

Is CVE-2026-47090 being exploited?

CVE-2026-47090 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-47090 affect?

CVE-2026-47090 affects claude hud. Severity is medium (CVSS 4.6). 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 arb

How urgent is CVE-2026-47090?

Priority 16/100. No elevated risk signals yet.

Related CVEs

CVE-2026-47092 HIGH 7.8 UPGRADE Claude HUD through 0.0.12, patched in commit 234d9aa, contains a command injection vulnerability that allows l
CVE-2026-47091 LOW 3.3 UPGRADE Claude HUD through 0.0.12, patched in commit 234d9aa, contains a path traversal vulnerability that allows atta

References

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