Description
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.
References (1)
Core 1
Core References
Exploit, Issue Tracking issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/452426
Scores
CVSS v3
7.3
EPSS
0.0089
EPSS Percentile
75.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-302
CWE-287
Status
published
Products (5)
gitlab/gitlab
16.11.0 (2 CPE variants)
GitLab/GitLab
16.10 - 16.10.4
GitLab/GitLab
16.11 - 16.11.1
GitLab/GitLab
7.8 - 16.9.6
gitlab/gitlab
7.8.0 - 16.9.6 (2 CPE variants)
Published
Apr 25, 2024
Tracked Since
Feb 18, 2026