High (8.8) in gitlab gitlab. EPSS 15% chance of exploitation in the next 30 days.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 7.8 before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. Under certain conditions, an attacker with their Bitbucket account credentials may be able to take over a GitLab account linked to another user's Bitbucket account, if Bitbucket is used as an OAuth 2.0 provider on GitLab.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
15% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)