Vulnerability in Gitlab
CVE-2026-1101
GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to…
EPSS: 0.000 (7.5th 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 18.2, 18.9, 18.10
Weakness classification (CWE)
References
- HackerOne Bug Bounty Report #3460228 (technical-description, exploit, permissions-required)
- gitlab.com/gitlab-org/gitlab/-/work_items/586488
- about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/
Frequently asked questions
- What is CVE-2026-1101?
- CVE-2026-1101 is a medium-severity vulnerability in Gitlab, classified under Improper Validation of Specified Quantity in Input. CVSS score: 6.5/10. Published 2026-04-08.
- How severe is CVE-2026-1101?
- Medium severity. CVSS v3 base score is 6.5 out of 10.