PT-2026-43322 · Joomla · Joomla! Cms

Published 2026-05-26 · Updated 2026-05-26 · CVE-2026-48904

NVD

CVSS v4.0

8.2

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

An improper access check allows privelege escalation through the com users group editing webservice endpoint.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-48904

Affected Products

Joomla! Cms

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-48904 · Security Note
• https://developer.joomla.org/security-centre/1046-20260514-core-privilege-escalation-through-com-users-webservice-endpoints.html · Vendor Advisory