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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25134.json, https://github.com/Intermesh/groupoffice/commit/d28490a6a29936db7888aa841ab8ade88800540b, https://github.com/Intermesh/groupoffice/security/advisories/GHSA-v39j-549w-8849, https://nvd.nist.gov/vuln/detail/CVE-2026-25134
