CVE-2026-19650

EUVD-2026-60371
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.
CSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 47.52%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
18.2.0 ≤
𝑥
< 18.11.11
gitlabgitlab
19.0.0 ≤
𝑥
< 19.0.8
gitlabgitlab
19.1.0 ≤
𝑥
< 19.1.6
gitlabgitlab
19.2.0 ≤
𝑥
< 19.2.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/612617
https://hackerone.com/reports/3903669