Description
GitLab has remediated an issue in GitLab EE affecting all versions from 16.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user to have access to other users' email addresses via certain GraphQL queries.
References (3)
Core 3
Core References
Issue Tracking, Permissions Required issue-tracking
permissions-required
GitLab Issue #565363
https://gitlab.com/gitlab-org/gitlab/-/issues/565363
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3303810
https://hackerone.com/reports/3303810
Scores
CVSS v3
4.3
EPSS
0.0002
EPSS Percentile
4.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (4)
GitLab/GitLab
16.6 - 18.8.9
gitlab/gitlab
16.6.0 - 18.8.9
GitLab/GitLab
18.10 - 18.10.3
GitLab/GitLab
18.9 - 18.9.5
Published
Apr 08, 2026
Tracked Since
Apr 09, 2026