CVE-2026-104733
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
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ProcessOne | ejabberd | 0 <= 26.04 | affected |
Weaknesses
- User Impersonation
Workarounds
Disable the SALS-PLAIN authentication mechanism
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.nsideattacklogic.de/advisories/NSIDE-SA-2026-004/
- https://github.com/processone/ejabberd/releases#release-26.07
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