Authorization Flaw in GitLab EE Affects Multiple Versions
CVE-2026-1752

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
8 April 2026

What is CVE-2026-1752?

An authorization flaw in GitLab EE versions from 11.3 up to 18.8.9, 18.9 prior to 18.9.5, and 18.10 before 18.10.3 has been addressed. This vulnerability could permit an authenticated user with developer-role permissions to alter protected environment settings, stemming from inadequate authorization checks within the API. It is essential for organizations using impacted GitLab versions to apply the latest patches to prevent potential exploitation.

Affected Version(s)

GitLab 11.3 < 18.8.9

GitLab 18.9 < 18.9.5

GitLab 18.10 < 18.10.3

References

https://hackerone.com/reports/3533545
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/588413
https://about.gitlab.com/releases/2026/04/08/patch-releas...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [modhanami](https://hackerone.com/modhanami) for reporting this vulnerability through our HackerOne bug bounty program
.