Vulnerability in GitLab
CVE-2025-11984
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
- GitLab — versions 13.1, 18.5, 18.6
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/577847 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3322714 (Permissions Required, technical-description, permissions-required, exploit)
- about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-11984?
- CVE-2025-11984 is a medium-severity vulnerability in GitLab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.8/10. Published 2025-12-11.
- How severe is CVE-2025-11984?
- Medium severity. CVSS v3 base score is 6.8 out of 10.