CVE-2026-23899 Joomla! Core - [20260306] - Improper access check in webservice endpoints

An improper access check allows unauthorized access to webservice endpoints...

CVE-2026-23899 Joomla! Core - [20260306] - Improper access check in webservice endpoints

An improper access check allows unauthorized access to webservice endpoints...

CVE-2026-23899

creationtimestamp| type| source ---|---|--- 2026-03-31 17:00:00+00:00| seen| https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0384/ 2026-04-01 11:16:06+00:00| published-proof-of-concept| Telegram/or2m3WCYby8bXskMQzpfDu1qBTJahou7yZRDnRXRdJQw8o 2026-04-01 11:58:23+00:00| seen|...

Joomla 4.0.x < 5.4.4 / 6.0.x < 6.0.4 Joomla 6.0.4 & 5.4.4 Security & Bugfix Release (5944-joomla-6-0-4-5-4-4-security-bugfix-release)

According to its self-reported version, the instance of Joomla! running on the remote web server is 4.0.x prior to 5.4.4 or 6.0.x prior to 6.0.4. It is, therefore, affected by a vulnerability. - An improper access check allows unauthorized access to webservice endpoints. CVE-2026-23899 Note that...