CVE-2026-110385: Document Server 0 to before 10.0

Affected technology

Document Server · 0 to before 10.0
ONLYOFFICE

Description’s affected range: versions before10.0.0

Component: Document Builder (DocBuilder), FileConverter

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated attacker with a valid Inbox-compatible JWT can execute arbitrary operating system commands as the ds service account. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality, integrity and availability impact as high.