CVE-2026-48941 | The K2 frontend `item.checkin` task accepts an unauthenticat… | CVSS 6.5 MEDIUM

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/`

Metadata

CVE ID: CVE-2026-48941
State: PUBLISHED
Assigner: Joomla
Reserved: 2026-05-26 16:47 UTC
Published: 2026-06-25 15:25 UTC
Last updated: 2026-06-25 18:51 UTC
Primary CWE: CWE-862
CWE-862 Missing Authorisation
Vendor / Product: getk2.com / K2 extension for Joomla
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
getk2.com	K2 extension for Joomla	—	1.0-2.26

Weakness (CWE)

CWE	Source	Description
CWE-862	cna	CWE-862 Missing Authorisation

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.5	MEDIUM	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References (1)

https://www.getk2.org/