What is CVE-2025-12576?

CVE-2025-12576 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-03-11.

How severe is CVE-2025-12576?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Gitlab

CVE-2025-12576

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service du…

EPSS: 0.001 (17.9th percentile) — read the EPSS interpretation.

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.

Affected products

Gitlab — versions 9.3, 18.8, 18.9

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

HackerOne Bug Bounty Report #3395198 (technical-description, exploit, permissions-required)
gitlab.com/gitlab-org/gitlab/-/work_items/579170
about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/

Frequently asked questions

What is CVE-2025-12576?: CVE-2025-12576 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-03-11.
How severe is CVE-2025-12576?: Medium severity. CVSS v3 base score is 6.5 out of 10.