Vulnerability in GitLab
CVE-2026-1747
GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% 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: 0.002 · change: +0.000
Affected products
- GitLab — versions 17.11, 18.9.0, 18.8
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/588385 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3533088 (Permissions Required, technical-description, permissions-required, exploit)
- about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-1747?
- CVE-2026-1747 is a medium-severity vulnerability in GitLab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2026-02-25.
- How severe is CVE-2026-1747?
- Medium severity. CVSS v3 base score is 4.3 out of 10.