All vulnerabilities

Servers and applications

CVE-2026-15975

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to insufficient resource throttling when processing merge request discussions.

Severity
High 7.5
Published
29 Jul 2026
Last changed
3 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.0.5, 19.1.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 11.8.0 before 19.0.5
  • From 19.1.0 before 19.1.3
  • Version 19.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-15975
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-15975