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.

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No CVSS v3.1

No CVSS v3.0

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This CVE is not in the KEV list.

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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
getk2.com K2 extension for Joomla unaffected
Version Status Constraints
1.0-2.26 affected —

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Fixes

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References
Link Providers
https://www.getk2.org/ cve-icon
History

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: Joomla

Published:

Updated: 2026-06-25T17:02:33.540Z

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

Link: CVE-2026-48946

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-06-25T17:00:11Z

Weaknesses