# CVE-2026-1868

## Summary

- **CVE ID:** CVE-2026-1868
- **Severity:** CRITICAL
- **CVSS Score:** 9.9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-1336
- **Published:** Feb 9, 2026
- **Last Modified:** Mar 12, 2026

## Description

GitLab has remediated a vulnerability in the Duo Workflow Service component of GitLab AI Gateway affecting all versions of the AI Gateway from 18.1.6, 18.2.6, 18.3.1 to 18.6.1, 18.7.0, and 18.8.0 in which AI Gateway was vulnerable to insecure template expansion of user supplied data via crafted Duo Agent Platform Flow definitions. This vulnerability could be used to cause Denial of Service or gain code execution on the Gateway. This has been fixed in versions 18.6.2, 18.7.1, and 18.8.1 of the GitLab AI Gateway.

## Affected Products

- GitLab — GitLab AI Gateway (18.1.6)
- GitLab — GitLab AI Gateway (18.7.0)
- GitLab — GitLab AI Gateway (18.8.0)

## References

- [CNA](https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist/-/work_items/1850)
- [CNA](https://about.gitlab.com/releases/2026/02/06/patch-release-gitlab-ai-gateway-18-8-1-released/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.52%
- **EPSS Percentile:** 42.1

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