CVE-2026-104733

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

  • Published Oct 2, 2026
  • CVSS 7.4 high
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-104733 at the National Vulnerability Database