Data Disclosure Vulnerability in GitLab CE/EE by GitLab
CVE-2026-0602

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
11 March 2026

What is CVE-2026-0602?

An issue has been identified in GitLab CE/EE that allows authenticated users to potentially access sensitive metadata from private elements such as issues, merge requests, epics, milestones, or commits. This vulnerability arises from improper filtering during the snippet rendering process under specific conditions, enabling the unintended exposure of private project information.

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Affected Version(s)

GitLab 15.6 < 18.7.6

GitLab 18.8 < 18.8.6

GitLab 18.9 < 18.9.2

References

https://hackerone.com/reports/3486504
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/585007
https://about.gitlab.com/releases/2026/03/11/patch-releas...

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program
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