Insufficient Access Controls in GitLab CE/EE Allow Unauthorized Information Access
CVE-2026-6267

8.5HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
29 July 2026

What is CVE-2026-6267?

In GitLab CE/EE, a vulnerability exists that permits an authenticated user with a Developer role to access unauthorized information. This issue arises from insufficient access controls on internal request handling, impacting several versions and potentially exposing sensitive data. Remediation has been applied in recent patch releases.

Affected Version(s)

GitLab 10.1.0 < 19.0.5

GitLab 19.1 < 19.1.3

GitLab 19.2 < 19.2.1

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/596606
https://hackerone.com/reports/3658324
technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gi...

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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