Improper Authorization Issue in GitLab Affects Developer Role Permissions
CVE-2026-3073

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
14 May 2026

What is CVE-2026-3073?

An issue in GitLab CE/EE allows authenticated users with developer-role permissions to circumvent protections on PyPI packages. This vulnerability arises from insufficient authorization checks, enabling users to upload restricted packages, posing significant risk to the integrity of project dependencies. GitLab has provided remediation in recent updates, emphasizing the importance of keeping versions current to mitigate this security issue.

Affected Version(s)

GitLab 17.6 < 18.9.7

GitLab 18.10 < 18.10.6

GitLab 18.11 < 18.11.3

References

https://hackerone.com/reports/3532563
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/591227
https://about.gitlab.com/releases/2026/05/13/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
.