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CVE-2026-34838

CRITICAL

9.9

Descricao

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.156, 25.0.90, and 26.0.12, a vulnerability in the AbstractSettingsCollection model leads to insecure deserialization when these settings are loaded. By injecting a serialized FileCookieJar object into a setting string, an authenticated attacker can achieve Arbitrary File Write, leading directly to Remote Code Execution (RCE) on the server. This issue has been patched in versions 6.8.156, 25.0.90, and 26.0.12.

Detalhes CVE

Pontuacao CVSS v3.19.9

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado4/2/2026

Ultima modificacao4/3/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-502

Referencias

https://github.com/Intermesh/groupoffice/releases/tag/v25.0.90(security-advisories@github.com)

https://github.com/Intermesh/groupoffice/releases/tag/v26.0.12(security-advisories@github.com)

https://github.com/Intermesh/groupoffice/releases/tag/v6.8.156(security-advisories@github.com)

https://github.com/Intermesh/groupoffice/security/advisories/GHSA-h22j-frrf-5vxq(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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