MailEnable Save Directory Traversal Arbitrary File Creation Vulnerability

November 4th, 2026
ZDI-26-869 ZDI-CAN-29161

CVE ID

CVE-2026-114556

CVSS Score

7.4 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Vendors

MailEnable

Affected Products

MailEnable

Vulnerability Details

This vulnerability allows remote attackers to create arbitrary files on affected installations of MailEnable. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of the Save method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of SYSTEM.

Additional Details

Fixed in version 10.60
https://www.mailenable.com/Premium-ReleaseNotes.txt


Disclosure Timeline

  • 2026-09-18 - Vulnerability reported to vendor
  • 2026-11-04 - Coordinated public release of advisory
  • 2026-11-04 - Advisory Updated

Credit

Nicolas Chatelain

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