Resource exhaustion in GitLab
CVE-2026-1168
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4.6 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to cause denial of service due to improper resource allocation limits in the GraphQL complexity calculation logic.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (50.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
Weakness classification (CWE)
References
- hackerone.com/reports/3461590 (Permissions Required, technical-description, permissions-required, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/586586 (Broken Link)
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-1168?
- CVE-2026-1168 is a high-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-09-16.
- How severe is CVE-2026-1168?
- High severity. CVSS v3 base score is 7.5 out of 10.