Authentication Bypass by Assumed-Immutable Data in GitLab
26Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 15%
exploitation probability
15%top 4% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Affected products
GitLab · GitLab