Vulnerability details

CVE-2026-19650

GitLab GitLab

Cross-Site Request Forgery (CSRF) in GitLab

CVSS 3.1

7.1High

Official description

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.

CVSS scores

Score	Version	Source	Vector
7.1High	3.1	CVEProject cvelistV5 (CNA) (GitLab)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L`

Affected products

Vendor	Product	Versions	Source
GitLab	GitLab	18.2 ≤ v < 18.11.11	CVEProject cvelistV5 (CNA)
GitLab	GitLab	19.0 ≤ v < 19.0.8	CVEProject cvelistV5 (CNA)
GitLab	GitLab	19.1 ≤ v < 19.1.6	CVEProject cvelistV5 (CNA)
GitLab	GitLab	19.2 ≤ v < 19.2.4	CVEProject cvelistV5 (CNA)

References and advisories

https://gitlab.com/gitlab-org/gitlab/-/work_items/612617
https://hackerone.com/reports/3903669 technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/

Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published: 2026-08-17
Last updated: 2026-08-18
State: Published
Assigner (CNA): GitLab

Exploit prediction (EPSS)

0.21%

Probability of exploitation in 30 days

11.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-352
Cross-Site Request Forgery (CSRF)