Authorization Flaw in GitLab CE/EE Leading to Data Exposure
CVE-2026-85529

5.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
13 October 2026

What is CVE-2026-85529?

An authorization issue in GitLab CE/EE has been identified, affecting versions prior to 19.2.8, 19.3.5, and 19.4.2. This flaw potentially allows unauthenticated users to access and read internal and confidential system notes on public projects. The vulnerability arises from improper authorization checks within the GraphQL API, exposing sensitive information that should remain restricted. Users are advised to upgrade to the patched versions to mitigate this risk.

Affected Version(s)

GitLab 19.2 < 19.2.8

GitLab 19.3 < 19.3.5

GitLab 19.4 < 19.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/627709
https://hackerone.com/reports/3975416
technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gi...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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