UpHeron
All vulnerabilities

Servers and applications

CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.

Severity
Medium 6.5
Published
14 May 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.9.7, 18.10.6, 18.11.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 11.10.0 before 18.9.7
  • From 18.10.0 before 18.10.6
  • From 18.11.0 before 18.11.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-4527
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-4527