CVE Watchtower ← Back to CVE ListCVE-2026-56290NVDVulnerability SummaryThe Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.Severity LevelUNKNOWNPublished DateJun 29, 2026Last ModifiedJul 7, 2026Exploitation StatusACTIVEEPSS Score (30-Day)0.36%ProbabilityRoot Weakness (CWE)N/AExternal Referenceshttps://www.joomlack.fr/