CVE-2026-6269 Details
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.
A vulnerability exists in GitLab CE/EE versions 15.10 prior to 18.10.8, 18.11 prior to 18.11.5, and 19.0 prior to 19.0.2. Under certain conditions, this vulnerability could allow an authenticated user with developer-role permissions to modify hidden merge requests. This issue arises from incorrect authorization enforcement, which could be exploited to access and alter merge requests that should remain private.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 11, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/ | [email protected] | Release Notes |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/596625 | [email protected] | Issue Tracking |
| https://hackerone.com/reports/3661880 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-863 | Incorrect Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gitlab gitlab | >= 15.10.0, < 18.10.8 >= 18.11.0, < 18.11.5 >= 19.0.0, < 19.0.2 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | Initial Analysis | [email protected] |
| Jun 11, 2026 | New CVE Received | [email protected] |