CVE-2026-104733CWE-290

CVE-2026-104733

published October 2, 2026

CVSS
7.4
EPSS
0%
Percentile
11.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
7.4 · NONE
CVSS v4.0
7.4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.00215 · 11.3th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-10-02T17:17Z
References (2)
https://github.com/processone/ejabberd/releases#release-26.07 · [email protected]https://www.nsideattacklogic.de/advisories/NSIDE-SA-2026-004/ · [email protected]
EPSS history
Timeline
  • 04 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 02 OCT 12:19Z
    User Impersonation/Authorization Bypass in XMPP Server ejabberd
    cvelistv5