Input validation error in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-1606

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Main Vulnerability Database Vulnerabilities #VU135179

Input validation error in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-1606

Published: June 25, 2026


Vulnerability identifier: #VU135179
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-1606
CWE-ID: CWE-20
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 user to conceal content within a snippet.

The vulnerability exists due to improper input validation in snippets when processing snippet content. A remote user can submit crafted content to conceal content within a snippet.


How to mitigate CVE-2026-1606

Install security update from vendor's website.

Sources