Resource exhaustion in GitLab
CVE-2026-77801
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, could have allowed an authenticated user to cause a denial of service affecting background job processing, due to missing object count limits.
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 (35.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- GitLab — versions 19.3.0
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/597273 (Permissions Required, Issue Tracking)
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-77801?
- CVE-2026-77801 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-08-26.
- How severe is CVE-2026-77801?
- Medium severity. CVSS v3 base score is 6.5 out of 10.