CVE-2026-48946 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://www.getk2.org/

History

Thu, 25 Jun 2026 19:30:00 +0000

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'}`

Thu, 25 Jun 2026 15:45:00 +0000

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		https://www.getk2.org/

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-06-25T15:25:28.947Z

Updated: 2026-06-25T18:52:47.376Z

Reserved: 2026-05-26T16:47:13.550Z

Link: CVE-2026-48946

Vulnrichment

Updated: 2026-06-25T18:52:12.622Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-25T20:30:16Z

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