UpHeron
All vulnerabilities

Servers and applications

CVE-2025-12576

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service due to improper handling of webhook response data.

Severity
Medium 6.5
Published
11 Mar 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.7.6, 18.8.6, 18.9.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 9.3.0 before 18.7.6
  • From 18.8.0 before 18.8.6
  • From 18.9.0 before 18.9.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-12576
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-12576