Authorization Flaw in GitLab CE/EE Affects Jira Connect Installations
CVE-2026-2370

8.1HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
29 March 2026

What is CVE-2026-2370?

An authorization flaw has been discovered in GitLab CE/EE that affects Jira Connect installations. This vulnerability allows an authenticated user with minimal workspace permissions to access installation credentials and impersonate the GitLab application. The issue arises due to improper authorization checks that can potentially lead to unauthorized actions within the system. GitLab has released patches to address this vulnerability across several affected versions.

Affected Version(s)

GitLab 14.3 < 18.8.7

GitLab 18.9 < 18.9.3

GitLab 18.10 < 18.10.1

References

https://hackerone.com/reports/3522829
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/589635
https://about.gitlab.com/releases/2026/03/25/patch-releas...

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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