CSRF in GitLab
CVE-2026-19650
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.006 (47.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- GitLab — versions 18.2, 19.0, 19.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/ (Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/work_items/612617 (Not Applicable)
- hackerone.com/reports/3903669 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2026-19650?
- CVE-2026-19650 is a high-severity vulnerability in GitLab, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-08-17.
- How severe is CVE-2026-19650?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2026-19650 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.