Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3578216
https://hackerone.com/reports/3578216
Scores
CVSS v3
3.1
EPSS
0.0031
EPSS Percentile
22.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/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-863
Status
published
Products (4)
GitLab/GitLab
12.0 - 18.10.8
gitlab/gitlab
12.0.0 - 18.10.8 (2 CPE variants)
GitLab/GitLab
18.11 - 18.11.5
GitLab/GitLab
19.0 - 19.0.2
Published
Jun 11, 2026
Tracked Since
Jun 11, 2026