CVE-2026-48946

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

Published Jun 25, 2026 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
Link Providers
https://www.getk2.org/ cve-icon cve-icon
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Joomla Extension - getk2.com - Privileged RCE vulnerability in K2 extension for Joomla < 2.26 Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
Type Values Removed Values Added
First Time appeared Getk2
Getk2 k2 Extension For Joomla
Vendors & Products Getk2
Getk2 k2 Extension For Joomla
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Joomla Extension - getk2.com - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
Weaknesses CWE-434
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Nov 5, 2026, 5:59 PM
Reserved
May 26, 2026, 4:47 PM
Status
Analyzed
Published
Jun 25, 2026, 4:16 PM
Modified
Nov 3, 2026, 11:17 PM