Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-25134

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.2%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-25134


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