Vulnerability in Mailenable
CVE-2026-114551
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Mailenable — versions 10.59
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-810/ (x_research-advisory)
Frequently asked questions
- What is CVE-2026-114551?
- CVE-2026-114551 is a medium-severity vulnerability in Mailenable, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.9/10. Published 2026-11-04.
- How severe is CVE-2026-114551?
- Medium severity. CVSS v3 base score is 5.9 out of 10.