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Vulnerability record · CVE-2026-93643 · published 25 September 2026

CVE-2026-93643: Path traversal vulnerability

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 3.1 Critical EPSS 0.96% · top 40.0% CWE-22 · Path traversalCWE-863 · Incorrect authorization Received
9.8CVSS 3.1 base score
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Sep 2026Last modified by NVD

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.

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

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-93643), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.