CVE-2026-72531: Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows…

PriorityP430medium5.4CVSS 3.1

AVNACLPRLUINSUCLILAN

EPSS

0.19%

9.2th percentile

Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to create fields for inaccessible components.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
joomla!_project	joomla!_cms	—	—
joomla!_project	joomla!_cms	—	—
joomla	joomla_!	>= 4.0.0 < 5.4.8	5.4.8
joomla	joomla_!	>= 6.0.0 < 6.1.3	6.1.3

CVSS provenance

nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

nvdv4.05.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/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

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