VULNERABILITY INTELLIGENCE
CVE-2026-21628
CVSS score9.8 CRITICAL
EPSS probability0.54%
CISA KEVNot currently listed
Published2026-03-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
A improperly secured file management feature allows uploads of dangerous data types for unauthenticated users, leading to remote code execution.
Weakness classification
- security@joomla.org: CWE-434
Primary references
- security@joomla.org — Product