CVE-2026-104733: Processone Ejabberd

High severity, CVSS 7.4. EPSS: 0.2% chance of exploitation in the next 30 days.

User Impersonation in ProcessOnes XMMP Server ejabberd <= 26.04 allows an attacker to impersonate arbitrary users via unvalidated authzid parameter in SASL-PLAIN mechanism.

Affected products

• Processone Ejabberd: up to and including 26.04

Published 2026-10-02. Last modified 2026-10-02.