CVE-2026-56290 – Joomla Extension – joomlack.fr – Unauthenticated file upload in Page Builder CK extension < 3.6.0

CVE ID :CVE-2026-56290

Published : June 29, 2026, 2:31 p.m. | 1 hour, 14 minutes ago

Description :The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Severity: 10.0 | CRITICAL

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