CVE-2026-25512

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
Intermesh	groupoffice	< 6.8.150; < 25.0.82; < 26.0.5

References

http://github.com/Intermesh/groupoffice/commit/6c612deca97a6cd2a1bd4feea0ce7e8e9d907792Patch
https://github.com/Intermesh/groupoffice/security/advisories/GHSA-579w-jvg7-frr4Exploit, Vendor Advisory
https://github.com/Intermesh/groupoffice/security/advisories/GHSA-579w-jvg7-frr4Exploit, Vendor Advisory

Timeline

Published: Feb 4, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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