medium · CVSS v3 6.5

CVE-2026-114552

MailEnable’s parseObjectResponse method is vulnerable to XML External Entity (XXE) processing, allowing authenticated attackers to read sens

Overview

MailEnable’s parseObjectResponse method is vulnerable to XML External Entity (XXE) processing, allowing authenticated attackers to read sensitive data from the service account context. The flaw can expose confidential information stored on the server. It is a medium‑severity issue that requires authentication to exploit.

Description

MailEnable parseObjectResponse XML External Entity Processing Information Disclosure Vulnerability. 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. Was ZDI-CAN-29137.

Impact

Confidentiality is compromised as attackers can read internal files and configuration data. Integrity is not directly affected, but the disclosed data could be used for further attacks. Availability remains unchanged. Administrators and service accounts are the primary stakeholders impacted.

Remediation

Apply the latest vendor patch or upgrade to a supported MailEnable version. Disable external entity processing in the XML parser configuration. Restrict the service account’s file system permissions to the minimum required. Monitor authentication logs for unusual access patterns.

Risk context

The CVSS v3 score of 6.5 indicates a medium risk. No EPSS data is available, so the urgency is based solely on the severity and authentication requirement. Defenders should prioritize patching or mitigation to prevent potential data exposure.

Affected products

  • MailEnable Server
  • MailEnable 15
  • MailEnable 16

Scores

Severity
medium
CVSS v2
6.8
CVSS v3
6.5
CVSS v4
—
EPSS
—

XXE Information Disclosure MailEnable Authentication Required XML Parsing Service Account Patch

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