CVE-2026-48945

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

Published Jun 25, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.

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

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.
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
Jun 28, 2026, 6:39 PM
Reserved
May 26, 2026, 4:47 PM
Status
Analyzed
Published
Jun 25, 2026, 4:16 PM
Modified
Oct 25, 2026, 10:10 PM