CVE-2025-2934

Medium

Description

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductGitlab
PublishedOct 9, 2025
First seenOct 9, 2025

How to fix

Update
  • gitlab gitlab18.2.8, 18.3.4, 18.4.2 or later

Affected products

ProductAffected versionsFixed in
gitlab gitlab5.2.0 ≤ v < 18.2.8, 18.3.0 ≤ v < 18.3.4, 18.4.0 ≤ v < 18.4.218.2.8, 18.3.4, 18.4.2

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