RCE in GitLab
CVE-2026-1606
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.8 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user to conceal content within a Snippet due to improper input validation.
Vulnerability class: RCE (Remote Code Execution)
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: 0.004 (27.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- GitLab — versions 14.8, 19.1.0, 19.1
Weakness classification (CWE)
References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ (Release Notes, Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/work_items/588128 (Broken Link)
- hackerone.com/reports/3527473 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2026-1606?
- CVE-2026-1606 is a medium-severity vulnerability in GitLab, classified under Code Injection. CVSS score: 4.3/10. Published 2026-06-25.
- How severe is CVE-2026-1606?
- Medium severity. CVSS v3 base score is 4.3 out of 10.