UpHeron
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Servers and applications

CVE-2025-8405

GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.

Severity
High 7.7
Published
11 Dec 2025
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.4.6, 18.5.4, 18.6.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 17.1.0 before 18.4.6
  • From 18.5.0 before 18.5.4
  • From 18.6.0 before 18.6.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-8405
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-8405