VULNERABILITY INTELLIGENCE

CVE-2026-44400

CVSS score8.1 HIGH
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-05-08
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

MailEnable Enterprise Premium 10.55 and earlier contains an improper authorization vulnerability in the WebAdmin mobile portal that allows attackers to bypass authentication checks by reusing AuthenticationToken cookies generated for low-privileged users. Attackers can obtain a token from the WebMail login endpoint using the PersistentLogin parameter and replay it against the WebAdmin portal to perform highly privileged administrative actions.

Weakness classification

  • disclosure@vulncheck.com: CWE-639

Primary references