CVE-2026-4868
Authorization Bypass Through User-Controlled Key in GitLab
8.2
HIGH
CVSS 3.1
EPSS 0.01%
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners.
How to fix CVE-2026-4868
To remediate CVE-2026-4868, upgrade the affected package to a fixed version below.
- —upgrade to 18.10.7 or later
Is CVE-2026-4868 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 18.8.0, < 18.10.7, >= 18.11.0, < 18.11.4 | >= 19.0.0, <= 19.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N |