CVE-2026-25134HIGH 8.8EPSS p51.7%

CVE-2026-25134CVE-2026-25134

Description

Group-Office is an enterprise customer relationship management and groupware tool. Prior to 6.8.150, 25.0.82, and 26.0.5, the MaintenanceController exposes an action zipLanguage which takes a lang parameter and passes it directly to a system zip command via exec(). This can be combined with uploading a crafted zip file to achieve remote code execution. This vulnerability is fixed in 6.8.150, 25.0.82, and 26.0.5.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.80% probability of exploitation · percentile 51.7% · 2026-06-18T12:00:27Z
Published2026-02-02
Last modified2026-02-18

Underlying weaknesses· 1

CWE-88

References

  1. https://github.com/Intermesh/groupoffice/commit/d28490a6a29936db7888aa841ab8ade88800540b
  2. https://github.com/Intermesh/groupoffice/security/advisories/GHSA-v39j-549w-8849

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Argument Delimiters in a Command ('Argument Injection')cwe-880%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.