High severity8.1NVD Advisory· Published May 8, 2026· Updated Jun 1, 2026
CVE-2026-44400
CVE-2026-44400
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=10.55
Patches
Vulnerability mechanics
References
2- www.vulncheck.com/advisories/mailenable-enterprise-premium-authorization-bypass-via-webadminnvdThird Party Advisory
- www.mailenable.com/Premium-ReleaseNotes.txtnvdRelease Notes
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