CVE-2026-48941 Joomla Extension - getk2.org - Unauthenticated folder delete in K2 extension for Joomla < 2.26
Unauthenticated attackers can delete arbitrary folders in the K2 galleries directory by manipulating the sigProFolder parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-48941?
CVE-2026-48941 is a medium-severity missing authorization vulnerability in getk2.org K2 extension for Joomla, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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/`
Weakness: CWE-862
Which versions are affected by CVE-2026-48941?
It affects 1 product.
Products include Joomlaworks K2.
How do I fix CVE-2026-48941?
No fix has been published for CVE-2026-48941 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-48941 being exploited?
There is no known exploitation of CVE-2026-48941 in the wild and no public exploit code.
Other vulnerabilities in getk2.org K2 extension for Joomla
- CVE-2019-19634 class.upload.php in verot.net omits .pht from the set of dangerous file extensions
- CVE-2019-19576 Remote code execution in verot/class.upload.php
- CVE-2018-7482 Path traversal in n/a
- CVE-2026-48943 Joomla Extension - getk2.org - Authenticated user property mass-assignment in K2 extension for Joomla < 2.26
- CVE-2026-48944 Joomla Extension - getk2.org - Exposure of sensitive files via attachment copy in K2 extension for Joomla < 2.26
Sources
Also known as GHSA-xfx4-jrpq-pvcp.