Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-2238

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Main Vulnerability Database Vulnerabilities #VU135176

Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-2238

Published: June 25, 2026


Vulnerability identifier: #VU135176
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-2238
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
GitLab Enterprise Edition
Gitlab Community Edition

Detailed vulnerability description

The vulnerability allows a remote attacker to disclose confidential issue references on public projects.

The vulnerability exists due to improper authorization in rapid diffs when rendering public project content. A remote attacker can access affected rapid diffs to disclose confidential issue references on public projects.


How to mitigate CVE-2026-2238

Install security update from vendor's website.

Sources