Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3543011
https://hackerone.com/reports/3543011
Scores
CVSS v3
5.3
EPSS
0.0027
EPSS Percentile
19.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (5)
gitlab/gitlab
19.1.0
GitLab/GitLab
17.5 - 18.11.6
gitlab/gitlab
17.5.0 - 18.11.6
GitLab/GitLab
19.0 - 19.0.3
GitLab/GitLab
19.1 - 19.1.1
Published
Jun 25, 2026
Tracked Since
Jun 25, 2026