Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-25512

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.150, 25.0.82, and 26.0.5, there is a remote code execution (RCE) vulnerability in Group-Office. The endpoint email/message/tnefAttachmentFromTempFile directly concatenates the user-controlled parameter tmp_file into an exec() call. By injecting shell metacharacters into tmp_file, an authenticated attacker can execute arbitrary system commands on the server. This issue has been patched in versions 6.8.150, 25.0.82, and 26.0.5.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 58.9%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-25512


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