All vulnerabilities

Servers and applications

CVE-2026-8589

GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to add unauthorized email addresses to a targeted user's account due to improper sanitization of user-supplied input in certain group setting fields.

Severity
High 8.7
Published
11 Jun 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.10.8, 18.11.5, 19.0.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 13.1.4 before 18.10.8
  • From 18.11.0 before 18.11.5
  • From 19.0.0 before 19.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-8589
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8589