# CVE-2026-67179

## Summary

- **CVE ID:** CVE-2026-67179
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** CWE-644
- **Published:** Aug 11, 2026
- **Last Modified:** Aug 17, 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.

## Affected Products

- genkit-ai — genkit (0)
- genkit-ai — genkit (2026-06-18)

## References

- [CNA](https://github.com/genkit-ai/genkit/issues/5581)
- [CNA](https://github.com/genkit-ai/genkit/pull/5587)
- [CNA](https://www.cve.org/CVERecord?id=CVE-2026-67179)
- [CNA](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-223-01.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.14%
- **EPSS Percentile:** 3.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._