Vulnerability in GitLab
CVE-2026-1092
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (44.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- GitLab — versions 12.10, 18.9, 18.10
Weakness classification (CWE)
References
- hackerone.com/reports/3487030 (Permissions Required, technical-description, permissions-required, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/586479 (Broken Link)
- about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-1092?
- CVE-2026-1092 is a high-severity vulnerability in GitLab, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2026-04-08.
- How severe is CVE-2026-1092?
- High severity. CVSS v3 base score is 7.5 out of 10.