CVE-2026-93643 — Zimbra Collaboration Suite OnlyOffice Integration Path Traversal Leading to Remote Code Execution via Unauthenticated /downloadas Request
When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned save fields t…
Published: 2026-09-25 · CVSS: 9.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7