CVE-2026-104733
High
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.
SeverityHigh
CVSS7.4
Exploit probability—
ProductProcessone Ejabberd
PublishedOct 2, 2026
First seenOct 2, 2026
Weakness typeCWE-290CWE-290
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ProcessOne ejabberd | v ≤ 26.04 | — |
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