Vulnerability · Published Nov 3, 2026 · Assigned by zdi

CVE-2026-114551MailEnable Auth Cleartext Storage Information Disclosure Vulnerability

Medium 5.9

In plain English

A medium-severity security flaw in MailEnable from MailEnable. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.0)5.9Medium

Exploit odds (30 days)0.3%top 79.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
MailEnable	MailEnable	10.59

Weakness: CWE-312 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

ZDI-26-810 x_research-advisory