CVE-2026-21629: The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party…

PriorityP341high7.3CVSS 3.1

AVNACLPRNUINSUCLILAL

EPSS

0.25%

16.1th percentile

The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party developers.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
joomla!_project	joomla!_cms	—	—
joomla!_project	joomla!_cms	—	—
joomla	joomla_!	>= 3.0.0 < 5.4.4	5.4.4
joomla	joomla_!	>= 6.0.0 < 6.0.4	6.0.4

CVSS provenance

nvdv3.17.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

nvdv4.06.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/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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