CVE-2026-19650: Cross-Site Request Forgery (CSRF) in GitLab

Published Aug 17, 2026

Updated

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.

Affected Software

1 affected component

GitLab GitLab CE/EE>undefined, >undefined, >undefined, >undefined

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade GitLab CE/EE to a version that resolves this vulnerability.
Fixed in 18.11.11
Upgrade
Upgrade GitLab CE/EE to a version that resolves this vulnerability.
Fixed in 19.0.8
Upgrade
Upgrade GitLab CE/EE to a version that resolves this vulnerability.
Fixed in 19.1.6
Upgrade
Upgrade GitLab CE/EE to a version that resolves this vulnerability.
Fixed in 19.2.4

Event History

Aug 17, 2026

CVE Published

via MITRE·08:04 PM

Data Sourced

via MITRE·08:04 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·08:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-19650?

CVE-2026-19650 has a severity rating of 7.1, categorized as high.

How do I fix CVE-2026-19650?

To fix CVE-2026-19650, upgrade GitLab to the latest version beyond 18.11.11, 19.0.8, 19.1.6, or 19.2.4.

What type of vulnerability is CVE-2026-19650?

CVE-2026-19650 is classified as a Cross-Site Request Forgery (CSRF) vulnerability.

What impact does CVE-2026-19650 have on GitLab?

CVE-2026-19650 could allow an unauthenticated user to execute mutations via GET requests under certain conditions.

Which versions of GitLab are affected by CVE-2026-19650?

CVE-2026-19650 affects GitLab CE/EE versions prior to 18.11.11, 19.0.8, 19.1.6, and 19.2.4.