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.
Published: 2026-08-11
Score: 7.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 11 Aug 2026 16:15:00 +0000

Type Values Removed Values Added
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.
Title Genkit improper host header validation
Weaknesses CWE-644
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2026-08-11T15:56:09.323Z

Reserved: 2026-07-28T14:53:02.567Z

Link: CVE-2026-67179

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T16:17:34.113

Modified: 2026-08-11T16:17:34.113

Link: CVE-2026-67179

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses