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CVE-2026-25512

8.8 · HIGH

Group-Office is an enterprise customer relationship management and groupware tool.

Published Feb 4, 2026CWE-78EPSS 3.81%

Overview

CVE-2026-25512 is a high-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/Intermesh/groupoffice/commit/6c612deca97a6cd2a1bd4feea0ce7e8e9d907792GitHubgithub.com/Intermesh/groupoffice/security/advisories/GHSA-579w-jvg7-frr4GitHubgithub.com/Intermesh/groupoffice/security/advisories/GHSA-579w-jvg7-frr4

How CyberStrike helps

Frequently asked questions

What is CVE-2026-25512?

CVE-2026-25512 is a high-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-25512?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-25512?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-25512?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-25512 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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