Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3554993
https://hackerone.com/reports/3554993
Scores
CVSS v3
4.3
EPSS
0.0020
EPSS Percentile
10.1%
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
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (5)
gitlab/gitlab
19.0.0 (2 CPE variants)
GitLab/GitLab
18.11 - 18.11.4
GitLab/GitLab
18.9 - 18.10.7
gitlab/gitlab
18.9.0 - 18.10.7 (2 CPE variants)
GitLab/GitLab
19.0 - 19.0.1
Published
May 28, 2026
Tracked Since
May 28, 2026