Resource exhaustion in Gitlab

CVE-2026-1387

GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file a…

EPSS: 0.003 (20.6th 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 15.6, 18.7, 18.8

Weakness classification (CWE)

References

  • cve@gitlab.com (issue-tracking, permissions-required, Issue Tracking, Broken Link)
  • cve@gitlab.com (technical-description, permissions-required, exploit, Broken Link)
  • cve@gitlab.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-1387?
CVE-2026-1387 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-02-11.
How severe is CVE-2026-1387?
Medium severity. CVSS v3 base score is 6.5 out of 10.