Vulnerability intelligence

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.

CVSS Score

7.1

High

EPSS — Exploit Probability

0.0%

Riskier than 0% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

Patch available

Vendor fix published

NVD entry Vendor patch PoC / advisory

1 article across 1 outlet · first covered Aug 18, 2026 · latest Aug 18, 2026

Coverage timeline

GitLab fixes CVE-2026-19478 GraphQL injection and CSRF flaw
securityonline.info · Aug 18, 2026