PT-2026-56231 · Joomla · Joomla! Cms

Federico Brasili · Published 2026-07-07 · Updated 2026-07-07 · CVE-2026-48958

NVD

CVSS v4.0

6.4

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H/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 unauthorized users to create custom fields via webservices endpoints.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-48958

Affected Products

Joomla! Cms

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-48958 · Security Note
• https://developer.joomla.org/security-centre/1066-20260712-core-incorrect-access-control-in-com-fields-webservice-endpoints.html · Vendor Advisory