---
title: "CVE-2026-93643: OnlyOffice Document Editing - Path Traversal & Command Injection"
description: "OnlyOffice Document Editing contains a path traversal and command injection caused by unsigned save fields in public Briefcase documents, letting unauthenticated remote attackers write files and execute commands as zimbra, exploit requires access to a supported public Briefcase document."
url: https://panop.io/threat-heartbeat/CVE-2026-93643/
---

# CVE-2026-93643 OnlyOffice Document Editing - Path Traversal & Command Injection

OnlyOffice Document Editing contains a path traversal and command injection caused by unsigned save fields in public Briefcase documents, letting unauthenticated remote attackers write files and execute commands as zimbra, exploit requires access to a supported public Briefcase document.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.96% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93643)

## Details

Type

Path Traversal

Impact

File System Write, Remote Code Execution

CVSS vector

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

Published

25 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to the latest version of OnlyOffice Document Editing.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93643](https://nvd.nist.gov/vuln/detail/CVE-2026-93643)
- [https://wiki.zimbra.com/wiki/Zimbra\_Security\_Advisories](https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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