Vulnerability in GitLab
CVE-2025-10903
GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have caused denial of service, due to an unbounded loop triggered by specially crafted input in the SCIM user provisioning feature.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- GitLab — versions 19.3.0
Weakness classification (CWE)
References
- hackerone.com/reports/3292470 (Permissions Required, technical-description, permissions-required, Third Party Advisory, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/571842 (Issue Tracking, Vendor Advisory)
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-10903?
- CVE-2025-10903 is a medium-severity vulnerability in GitLab, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2026-08-26.
- How severe is CVE-2025-10903?
- Medium severity. CVSS v3 base score is 6.5 out of 10.