CVE-2026-48945

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.getk2.org/	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\!:*:*

History

25 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) La ruta de carga de la galería de artículos K2 acepta un archivo ZIP/TAR, lo extrae bajo “/media/k2/galleries/[id]/”, y solo renombra los archivos de imagen (GIF/JPG/JPEG/PNG/WEBP) a nombres seguros - los archivos que no son de imagen (incluyendo .PHP) se extraen tal cual y permanecen ejecutables mediante acceso HTTP directo.

Information

Published : 2026-06-25 16:16

Updated : 2026-10-25 22:10

NVD link : CVE-2026-48945

Mitre link : CVE-2026-48945

CVE.ORG link : CVE-2026-48945

JSON object : View

Products Affected

joomlaworks

k2

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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