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CVE-2026-47090

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e5348f2b35055091d90e082e32bd94d9f5d63431c9f44afcb632aea071a78d6b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":2.4,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","packageURL":"pkg:github/jarrodwatts/claude-hud","product":"claude-hud","repo":"https://github.com/jarrodwatts/claude-hud","vendor":"jarrodwatts","versions":[{"lessThanOrEqual":"0.0.12","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"234d9aad919b51326a43bcf90b45ae35c23afc30","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":2.4,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-150","description":"Improper Neutralization of Escape, Meta, or Control Sequences","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["patch"],"url":"https://github.com/jarrodwatts/claude-hud/commit/234d9aad919b51326a43bcf90b45ae35c23afc30"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/references/2
{"tags":["issue-tracking"],"url":"https://github.com/jarrodwatts/claude-hud/issues/485"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/references/0
{"tags":["issue-tracking"],"url":"https://github.com/jarrodwatts/claude-hud/pull/487"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/references/1
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/claude-hud-terminal-injection-via-osc-8-hyperlinks"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:604d4c5f7a17b59fde7e5892be6db09d2037c08c2c38f3c420c61ceb1f68617c · sha256:28ce6f17836e66ac… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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