Auth bypass in GitLab
CVE-2026-19228
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to cause AI usage to be attributed to another namespace, due to improper authorization of identity information supplied in requests.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.004 (26.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- GitLab — versions 19.1, 19.2
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/603347 (Broken Link)
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/ (Release Notes)
Frequently asked questions
- What is CVE-2026-19228?
- CVE-2026-19228 is a high-severity vulnerability in GitLab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.5/10. Published 2026-08-12.
- How severe is CVE-2026-19228?
- High severity. CVSS v3 base score is 8.5 out of 10.