CVE-2026-93643
CRITICAL
CVSS 9.8
Published: 2026-09-25
Modified: 2026-09-26
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2026-93643 |
| CVSS Score | 9.8 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-09-25 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |