CVE-2026-44400

MailEnable Enterprise Premium < 10.55 Authorization Bypass via WebAdmin

CVSS 8.7 HIGHEPSS 0.4%CWE-639

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

08 mai 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Produtos afetados

MailEnable · MailEnable Enterprise Premium

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Referências

https://www.mailenable.com/Premium-ReleaseNotes.txt https://www.vulncheck.com/advisories/mailenable-enterprise-premium-authorization-bypass-via-webadmin