CVE-2026-93643

CRITICALCVSS 9.8

Description

When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned save fields to perform path-traversal writes and execute commands as zimbra.

Timeline

Published:September 25th, 2026 2:17 PM

Last modified:September 29th, 2026 9:29 PM

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-22 CWE-863

References & Reports

Advisories, patches, and third-party reports

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Source: NIST NVD · Data may lag official sources by up to one minute