HIGH 7.8 NVD
CVE-2026-67179
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
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.
References
- 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-
- https://www.cve.org/CVERecord?id=CVE-2026-67179
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-08-11 via NVD.
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