CVE-2026-2666
mingSoft MCMS does not properly restrict file uploads
4.7
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
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.
How to fix CVE-2026-2666
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- —no fix listed
Is CVE-2026-2666 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 6.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |