What is GHSA-339c-8fr4-g2w4?

GHSA-339c-8fr4-g2w4 is a security advisory published by GitHub Security Advisories with High severity. User Impersonation in ProcessOnes XMMP Server ejabberd \u003c= 26.04 allows an attacker to impersonate...

Which CVE IDs does GHSA-339c-8fr4-g2w4 cover?

GHSA-339c-8fr4-g2w4 covers the following CVE IDs: CVE-2026-104733. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-339c-8fr4-g2w4High

User Impersonation in ProcessOnes XMMP Server ejabberd <= 26.04 allows an attacker to impersonate...

Vendor

GitHub Security Advisories

Published

October 2, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-104733 →

📋 Description

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

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-104733
https://github.com/processone/ejabberd/releases#release-26.07
https://www.nsideattacklogic.de/advisories/NSIDE-SA-2026-004
https://github.com/advisories/GHSA-339c-8fr4-g2w4