CVE-2026-25134
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductGroup-office Group Office
PublishedFeb 2, 2026
First seenFeb 2, 2026
Weakness typeCWE-88CWE-88
How to fix
Update
- group-office group_office6.8.150, 25.0.82, 26.0.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| group-office group_office | v < 6.8.150, 25.0.1 ≤ v < 25.0.82, 26.0.1 ≤ v < 26.0.5 | 6.8.150, 25.0.82, 26.0.5 |
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