CVE-2026-25134
February 02, 2026
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 Packages
https://github.com/Intermesh/groupoffice.git (GITHUB):
Affected version(s) >=v25.0.1 <v25.0.82Fix Suggestion:
Update to version v25.0.82https://github.com/Intermesh/groupoffice.git (GITHUB):
Affected version(s) >=v26.0.1 <v26.0.5Fix Suggestion:
Update to version v26.0.5https://github.com/Intermesh/groupoffice.git (GITHUB):
Affected version(s) >=v6.2.85 <v6.8.150Fix Suggestion:
Update to version v6.8.150Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
EPSS
Base Score:
0.15
