CVE-2026-48941: The K2 frontend `item.checkin` task accepts an unauthenticated `sigProFolder` query parameter and uses it directly to address a `JFolder::delete()` call under…

PriorityP335medium6.5CVSS 3.1

AVNACLPRNUINSUCLILAN

EPSS

0.16%

5.5th percentile

The K2 frontend `item.checkin` task accepts an unauthenticated `sigProFolder` query parameter and uses it directly to address a `JFolder::delete()` call under `/media/k2/galleries/`

Affected

2 ranges

Vendor	Product	Version range	Fixed in
getk2.org	k2_extension_for_joomla	—	—
joomlaworks	k2	<= 2.26	—

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