All vulnerabilities

Servers and applications

CVE-2025-2934

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 5.2 prior to 18.2.8, 18.3 prior to 18.3.4, and 18.4 prior to 18.4.2 that could have allowed an authenticated attacker to create a denial of service condition by configuring malicious webhook endpoints that send crafted HTTP responses.

Severity
Medium 6.5
Published
9 Oct 2025
Last changed
19 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.2.8, 18.3.4, 18.4.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 5.2.0 before 18.2.8
  • From 18.3.0 before 18.3.4
  • From 18.4.0 before 18.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-2934
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-2934