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Change History

Genkit does not properly validate host request headers. Any host on the developer's network, and any website the developer visits (via DNS rebinding), can reach POST /api/runAction on the Dev UI server (default port 4000) and execute any registered Genkit action and read the result. Fixed on 2026-06-18.

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-644

https://github.com/genkit-ai/genkit/issues/5581

https://github.com/genkit-ai/genkit/pull/5587

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-223-01.json

https://www.cve.org/CVERecord?id=CVE-2026-67179

[{"vendor":"genkit-ai","product":"genkit","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"2026-06-18","versionType":"custom","status":"affected"},{"version":"2026-06-18","status":"unaffected"}]}]

{"timestamp":"2026-07-28T14:54:11.501038Z","id":"CVE-2026-67179","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}