CVE-2026-67179

—

CVSS 3.1

7.8 high

EPSS

<1%p3

Published

Aug 11, 2026 (Aug 11, 2026)

Modified

Aug 26, 2026

Description

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.

Weakness: CWE-644
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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