CVE-2026-48904

EUVD-2026-31875
An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
joomlajoomla\!
4.0.0 ≤
𝑥
< 5.4.6
joomlajoomla\!
6.0.0 ≤
𝑥
< 6.1.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://developer.joomla.org/security-centre/1046-20260514-core-privilege-escalation-through-com-users-webservice-endpoints.html