CVEvulnerability
CVE-2025-2256
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-09-12
- Last modified
- 2026-10-19
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1284
Description
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 users by sending multiple concurrent large SAML responses.
Affected configurations
• gitlab gitlab (>= 7.12.0 < 18.1.6)
• gitlab gitlab (>= 18.2.0 < 18.2.6)
• gitlab gitlab (>= 18.3.0 < 18.3.2)
Related
Weakness · CWE (1)
- CWE-1284 Improper Validation of Specified Quantity in Input weakness
References
- https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/524633 Broken Link
- https://hackerone.com/reports/3019485 Permissions Required