CVE Catalog

CVE-2026-104733

HighCVSS 7.4
Published: Updated: Translated: NVD NIST

Summary

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

Risk Assessment

An attacker can impersonate any user, gaining unauthorized access to resources and data. This may lead to a breach of confidentiality and integrity of the system.

Recommendation

Upgrade ejabberd to a version later than 26.04 that fixes this vulnerability. In the meantime, consider disabling SASL-PLAIN or implementing additional authzid validation.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS