Resource exhaustion in GitLab
CVE-2026-1402
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.
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: 0.005 (38.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% 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: 0.005 · change: 0.000
Affected products
- GitLab — versions 19.0.0, 17.1, 18.11
Weakness classification (CWE)
References
- hackerone.com/reports/3517283 (Permissions Required, technical-description, permissions-required, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/587569 (Broken Link)
- about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/ (Release Notes)
Frequently asked questions
- What is CVE-2026-1402?
- CVE-2026-1402 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-05-27.
- How severe is CVE-2026-1402?
- Medium severity. CVSS v3 base score is 6.5 out of 10.