Joomla Extension - getk2.org - Unauthenticated folder delete in K2 extension for Joomla < 2.26
Summary
| CVE | CVE-2026-48941 |
|---|---|
| State | PUBLISHED |
| Assigner | Joomla |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-25 16:16:36 UTC |
| Updated | 2026-06-28 19:16:51 UTC |
| 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/` |
Risk And Classification
Primary CVSS: v3.1 6.5 MEDIUM from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.001590000 probability, percentile 0.054980000 (date 2026-06-30)
Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorisation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Joomlaworks | K2 | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Getk2.org | K2 Extension For Joomla | affected 1.0-2.26 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.getk2.org | [email protected] | www.getk2.org | Product |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Matan Bahar (en)
CNA: Niv Kochan (en)
There are currently no legacy QID mappings associated with this CVE.