TI-2026-84865 Aliases CVE-2026-114551 GHSA-cx97-x7hm-5456

Cleartext storage of mailbox credentials in MailEnable

LOW 26CWE-312Published 2026-11-03 · Updated 2026-11-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-312.

Summary

MailEnable from 10.59 is affected. The flaw lies in how mailbox credentials are handled, as sensitive information is stored in plaintext (CWE-312). A remote attacker without authentication can disclose sensitive information, and combined with other vulnerabilities can disclose stored credentials, leading to further compromise.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0028 20th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
MailEnable	MailEnable	10.59	—	No fix listed	CNA

MailEnable VendorMailEnable Affected 10.59 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:mailenable:mailenable::::::::	—	—	MailEnable

cpe:2.3:a:mailenable:mailenable:*:*:*:*:*:*:*:* Versions — — ·MailEnable

Remediation

The sources list no fixed version for MailEnable.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

2026-11-03 Threatist record created from CVE-2026-114551
2026-11-04 Alias added: GHSA-cx97-x7hm-5456
2026-11-05 Priority changed: MEDIUM → LOW
2026-11-06 CISA SSVC decision points changed

References

Other 1

ZDI-26-810

TI-2025-28598 Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote… CVSS 3.1CRITICAL 9.8
TI-2006-06170 Stack-based buffer overflow in the IMAP service for MailEnable Professional and… CVSS 2.0HIGH 10.0
TI-2005-02156 Stack-based buffer overflow in the IMAP daemon (imapd) in MailEnable Professional 1.54… CVSS 2.0HIGH 7.2
TI-2005-01273 Buffer overflow in HTTPMail in MailEnable Enterprise 1.04 and earlier and Professional… CVSS 2.0HIGH 7.5
TI-2005-02983 Buffer overflow in the W3C logging for MailEnable Enterprise 1.1 and Professional 1.6… CVSS 2.0HIGH 7.5
TI-2026-25313 MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter CVSS 4.0MEDIUM 5.1

See all 90 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences