Arbitrary file upload in Mingsoft Mcms
CVE-2026-2666
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 unrestric…
EPSS: 0.000 (4.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Mingsoft Mcms — versions 6.1.1
Weakness classification (CWE)
References
- VDB-346463 | mingSoft MCMS Template Archive uploadTemplate.do unrestricted upload (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-346463 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #753243 | mingSoft MCMS 6.1.1 Conditional competition (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2026-2666?
- CVE-2026-2666 is a medium-severity vulnerability in Mingsoft Mcms, classified under Improper Access Control. CVSS score: 4.7/10. Published 2026-02-18.
- How severe is CVE-2026-2666?
- Medium severity. CVSS v3 base score is 4.7 out of 10.