CVE-2026-1868

CRITICAL LAB

GitLab AI Gateway <18.6.1-18.8.0 - DoS/Code Execution

Title source: llm

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.

Exploits (1)

github STUB 1 stars
by exploitintel · pythonpoc
https://github.com/exploitintel/eip-pocs-and-cves/tree/main/CVE-2026-1868

References (2)

Related Analysis

Scores

CVSS v3 9.9
EPSS 0.0004
EPSS Percentile 12.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Lab Environment

EIP LAB Lab screenshot
vulnerable docker pull ghcr.io/exploitintel/cve-2026-1868-vulnerable:latest

Details

CWE
CWE-1336
Status published
Products (3)
GitLab/GitLab AI Gateway 18.1.6 - 18.6.2
GitLab/GitLab AI Gateway 18.7.0 - 18.7.1
GitLab/GitLab AI Gateway 18.8.0 - 18.8.1
Published Feb 09, 2026
Tracked Since Feb 18, 2026