Description
GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with developer-role permissions to modify protected environment settings due to improper authorization checks in the API.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3533545
https://hackerone.com/reports/3533545
Scores
CVSS v3
4.3
EPSS
0.0031
EPSS Percentile
22.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (4)
GitLab/GitLab
11.3 - 18.8.9
gitlab/gitlab
11.3.0 - 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