CVE-2026-2666 MEDIUM

CVE-2026-2666: mingSoft MCMS Template Archive uploadTemplate.do unrestricted upload

Vendor Mingsoft
Product MCMS
Weakness CWE-434 · Unrestricted file upload
Published February 18, 2026
Last update February 23, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in mingSoft MCMS 6.1.1. The affected element is an unknown function of the file /ms/file/uploadTemplate.do of the component Template Archive Handler. Executing a manipulation of the argument File can lead to unrestricted upload. The attack can be launched remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

February 18, 2026 CVE published
February 23, 2026 Record updated