CVE-2026-48946 — Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26

CVE-2026-48946

Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26 PUBLISHED

Description (CNA)

The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.

Affected (CNA)

Vendor / product	Versions
getk2.org / K2 extension for Joomla	affected 1.0-2.26

CWE

CWE-434

References

https://www.getk2.org/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.