Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that could have allowed an authenticated user to access titles of confidential or private issues in public projects due to improper access control in the issue description rendering process.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3640688
https://hackerone.com/reports/3640688
Scores
CVSS v3
4.3
EPSS
0.0022
EPSS Percentile
12.3%
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-863
Status
published
Products (2)
gitlab/gitlab
18.11.0 (2 CPE variants)
GitLab/GitLab
18.11 - 18.11.1
Published
Apr 22, 2026
Tracked Since
Apr 22, 2026