CVE-2025-2256
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 7.12 < 18.1.6 | affected |
| GitLab | GitLab | 18.2 < 18.2.6 | affected |
| GitLab | GitLab | 18.3 < 18.3.2 | affected |
Weaknesses
- CWE-1284: CWE-1284: Improper Validation of Specified Quantity in Input
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/
- https://gitlab.com/gitlab-org/gitlab/-/issues/524633
- https://hackerone.com/reports/3019485
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