CVE-2026-93643

critical · 9.8

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.

9.8

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-09-25

Published

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

Weaknesses

CWE-22CWE-863

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-93643