Auth bypass in GitLab
CVE-2026-13210
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user to access CI/CD variables outside their intended environment scope due to improper input validation in the environment scope pattern matcher.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% 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
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/603978 (Broken Link)
- hackerone.com/reports/3655211 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2026-13210?
- CVE-2026-13210 is a high-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2026-09-15.
- How severe is CVE-2026-13210?
- High severity. CVSS v3 base score is 7.7 out of 10.