Email addresses were leaked in WebHook logs in GitLab EE affecting all versions from 9.3 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)