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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-18 · updated 2026-06-17
Weakness: CWE-284

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.

Affected products

Mingsoft MCMS: 6.1.1

References

https://github.com/chujianxin0101/vuln/issues/11
https://github.com/chujianxin0101/vuln/issues/11#issue-3905144613
https://vuldb.com/?ctiid.346463
https://vuldb.com/?id.346463
https://vuldb.com/?submit.753243

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