Vulnerability in Gitlab
CVE-2025-2256
An issue has been discovered in GitLab CE/EE affecting all versions from 7.12 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed unauthorized users to render the GitLab instance unresponsive to legitimate use…
EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gitlab — versions 7.12, 18.2, 18.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Release Notes, Vendor Advisory)
- cve@gitlab.com (issue-tracking, permissions-required, Broken Link)
- cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-2256?
- CVE-2025-2256 is a high-severity vulnerability in Gitlab, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2025-09-12.
- How severe is CVE-2025-2256?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-2256 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.