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TI-2026-47506 Aliases CVE-2026-67179GHSA-vj3w-h7v3-5rpr

Genkit improper host header validation

Priority HIGH 69CWE-644Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00213 11th percentileScored 2026-11-07
Fix Fixed genkit (genkit-ai): 2026-06-18

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
genkit-aigenkitbefore 2026-06-182026-06-18Patch availableCNA
  • genkit Vendorgenkit-ai Affected before 2026-06-18 Fixed in 2026-06-18 Patch available CNA

Remediation

  • Fix · CNA genkit (genkit-ai) Fixed in 2026-06-18

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-67179
  2. 2026-10-03 Alias added: GHSA-vj3w-h7v3-5rpr

References

Patch 1

Advisory 1

Other 2

Sources