CVE-2026-25134: Group-Office Argument Injection in MaintenanceController::actionZipLanguage
Group-Office is an enterprise customer relationship management and groupware tool. Prior to 6.8.150, 25.0.82, and 26.0.5, the MaintenanceController exposes an action zipLanguage which takes a lang parameter and passes it directly to a system zip command via exec(). This can be combined with uploading a crafted zip file to achieve remote code execution. This vulnerability is fixed in 6.8.150, 25.0.82, and 26.0.5.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-25134?
CVE-2026-25134 is classified as a high-severity vulnerability due to the potential for unauthorized access and data manipulation.
How do I fix CVE-2026-25134?
To fix CVE-2026-25134, upgrade Group-Office to version 6.8.150, 25.0.82, or 26.0.5 or later.
What systems are affected by CVE-2026-25134?
CVE-2026-25134 affects Group-Office versions prior to 6.8.150, 25.0.82, and 26.0.5.
What is the nature of the vulnerability in CVE-2026-25134?
CVE-2026-25134 involves argument injection in the MaintenanceController which can be exploited through the action zipLanguage.
Is there a workaround for CVE-2026-25134?
There are no known workarounds for CVE-2026-25134 other than upgrading to a patched version.