CVE-2026-23899

High

Description

An improper access check allows unauthorized access to webservice endpoints.

SeverityHigh
CVSS8.8
Exploit probability—
ProductJoomla\!
PublishedApr 1, 2026
First seenApr 1, 2026

How to fix

Affected products

ProductAffected versionsFixed in
joomla joomla\!3.0.0 ≤ v < 5.4.4, 6.0.0 ≤ v < 6.0.45.4.4, 6.0.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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