UpHeron
All vulnerabilities

Servers and applications

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.

Severity
High 7.1
Published
17 Aug 2026
Last changed
2 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.11.11, 19.0.8, 19.1.6, 19.2.4
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 18.2.0 before 18.11.11
  • From 19.0.0 before 19.0.8
  • From 19.1.0 before 19.1.6
  • From 19.2.0 before 19.2.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-19650
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-19650