Vulnerability in GitLab
CVE-2026-3160
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to view Jira issues outside the configured project scope due to an integration filter functioning only as a display control rather than enforcing access boundaries as specified.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- GitLab — versions 13.7, 18.10, 18.11
Weakness classification (CWE)
References
- hackerone.com/reports/3566042 (Permissions Required, technical-description, permissions-required, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/591354 (Not Applicable)
- about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ (Release Notes)
Frequently asked questions
- What is CVE-2026-3160?
- CVE-2026-3160 is a medium-severity vulnerability in GitLab, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 5.8/10. Published 2026-05-14.
- How severe is CVE-2026-3160?
- Medium severity. CVSS v3 base score is 5.8 out of 10.