MailEnable parseObjectResponse XML External Entity Processing Information Disclosure Vulnerability

October 27th, 2026
ZDI-26-811 ZDI-CAN-29137

CVE ID

CVE-2026-114552

CVSS Score

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

Affected Vendors

MailEnable

Affected Products

MailEnable

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of MailEnable. Authentication is required to exploit this vulnerability.

The specific flaw exists within the implementation of the parseObjectResponse method. The issue results from the lack of proper restriction of XML External Entity (XXE) references. An attacker can leverage this vulnerability to disclose information in the context of the service account.

Additional Details

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


Disclosure Timeline

  • 2026-09-18 - Vulnerability reported to vendor
  • 2026-10-27 - Coordinated public release of advisory
  • 2026-10-27 - Advisory Updated

Credit

Nicolas Chatelain

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