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.
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History
Wed, 04 Feb 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Group-Office is vulnerable to RCE due to Command Injection via TNEF Attachment Handler | |
| Weaknesses | CWE-78 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-02-04T20:39:08.039Z
Reserved: 2026-02-02T18:21:42.486Z
Link: CVE-2026-25512
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Status : Received
Published: 2026-02-04T21:16:02.390
Modified: 2026-02-04T21:16:02.390
Link: CVE-2026-25512
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