Resource exhaustion in Gitlab
CVE-2026-1662
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.4 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause Denial of Service by sending specially crafted requests to the Jira events endpoint.
EPSS: 0.004 (28.3th percentile) — read the EPSS interpretation.
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.
Affected products
- Gitlab — versions 14.4, 18.9.0, 18.8
Weakness classification (CWE)
References
- cve@gitlab.com (issue-tracking, permissions-required, Broken Link)
- cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
- cve@gitlab.com (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-1662?
- CVE-2026-1662 is a high-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-02-25.
- How severe is CVE-2026-1662?
- High severity. CVSS v3 base score is 7.5 out of 10.