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I. Basic Information for CVE-2026-25512
Vulnerability Information
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Vulnerability Title
Group-Office is vulnerable to RCE due to Command Injection via TNEF Attachment Handler
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Group Office 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Group Office是荷兰Group Office公司的一款模块化的办公套件。 Group Office 6.8.150之前版本、25.0.82之前版本和26.0.5之前版本存在操作系统命令注入漏洞，该漏洞源于email/message/tnefAttachmentFromTempFile端点对用户控制的参数拼接不当，可能导致远程命令执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Intermeshgroupoffice < 6.8.150 -
II. Public POCs for CVE-2026-25512
#POC DescriptionSource LinkShenlong Link
1RCE - Command Injection via TNEF Attachment Handlerhttps://github.com/NumberOreo1/CVE-2026-25512POC Details
2Nonehttps://github.com/mbanyamer/CVE-2026-25512-PoC-Group-Office-Authenticated-RCEPOC Details
3Group-Office before versions 6.8.150, 25.0.82, and 26.0.5 is vulnerable to remote code execution via OS command injection. 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. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-25512.yamlPOC Details
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III. Intelligence Information for CVE-2026-25512
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IV. Related Vulnerabilities
Same product: groupoffice
Same vendor: Intermesh
Same weakness: CWE-78
V. Comments for CVE-2026-25512

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