---
id: "CVE-2026-114551"
kind: "vulnerability"
aliases: ["CVE-2026-114551"]
title: "MailEnable: mailbox credentials stored in plaintext, readable remotely"
severity: "medium"
cvss: 5.9
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["email", "mailenable", "other", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2026-11-04T00:17:22+00:00"
first_seen_at: "2026-11-04T00:46:15+00:00"
updated_at: "2026-11-04T00:47:58+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114551", "first_seen_at": "2026-11-04T00:46:15+00:00"}]
---

# MailEnable: mailbox credentials stored in plaintext, readable remotely

MailEnable stores mailbox credentials in plaintext on affected installations. A remote attacker without an account can disclose those stored credentials, and can combine this with other flaws to take further control.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-04T00:46:15+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-114551

## From the sources

MailEnable Auth Cleartext Storage Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of MailEnable. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of mailbox credentials. The issue results from storing sensitive information in plaintext. An attacker can leverage this in conjunction with other vulnerabilities to disclose stored credentials, leading to further compromise. Was ZDI-CAN-34478.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_