Resource exhaustion in GitLab
CVE-2026-1500
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to cause denial of service due to uncontrolled resource consumption when processing a specially crafted file upload.
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: 0.003 (22.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% 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: 0.003 · change: 0.000
Affected products
- GitLab — versions 17.10, 18.11, 19.0
Weakness classification (CWE)
References
- about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/ (Release Notes)
- gitlab.com/gitlab-org/gitlab/-/work_items/587825 (Issue Tracking)
- hackerone.com/reports/3517331 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2026-1500?
- CVE-2026-1500 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-06-11.
- How severe is CVE-2026-1500?
- Medium severity. CVSS v3 base score is 6.5 out of 10.