CVE-2026-19650CWE-352csrf

CVE-2026-19650

High · published August 18, 2026

CVSS v3.1
7.1
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00615 · 48.8th percentile
Weakness
CWE-352 · Cross-Site Request Forgery (CSRF)
Published
2026-08-18T00:16Z
Affected products (8)
ProductVersionsFixed in
gitlab/gitlab≥ 18.2.0, < 18.11.1118.11.11
gitlab/gitlab≥ 18.2.0, < 18.11.1118.11.11
gitlab/gitlab≥ 19.0.0, < 19.0.819.0.8
gitlab/gitlab≥ 19.0.0, < 19.0.819.0.8
gitlab/gitlab≥ 19.1.0, < 19.1.619.1.6
gitlab/gitlab≥ 19.1.0, < 19.1.619.1.6
gitlab/gitlab≥ 19.2.0, < 19.2.419.2.4
gitlab/gitlab≥ 19.2.0, < 19.2.419.2.4
References (3)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/612617 · [email protected]https://hackerone.com/reports/3903669 · [email protected]
EPSS history
Timeline
  • 17 AUG 20:04Z
    Cross-Site Request Forgery (CSRF) in GitLab
    cvelistv5