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Vulnerability record · CVE-2026-2666 · published 18 February 2026

CVE-2026-2666: Mingsoft mcms improper access control vulnerability

Mingsoft · Mcms

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.

2.0 CVSS 4.0 Low EPSS 0.55% · top 56.0% CWE-284 · Improper access controlCWE-434 · Unrestricted file upload
2.0CVSS 4.0 base score, v2 5.8
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/chujianxin0101/vuln/issues/11 ExploitIssue Tracking
https://github.com/chujianxin0101/vuln/issues/11#issue-3905144613 ExploitIssue Tracking
https://vuldb.com/?ctiid.346463 Permissions RequiredVDB Entry
https://vuldb.com/?id.346463 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.753243 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-56316Mingsoft mcms sql injection vulnerabilityA SQL injection vulnerability in the content_title parameter of the /cms/content/list endpoint in MCMS 5.5.0 allows remote attackers to execute arbit…EPSS 0.64%9.8CVE-2025-29287Mingsoft mcms unrestricted file upload vulnerabilityAn arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows attackers to execute arbitrary code via uploading a crafted fil…EPSS 0.78%9.8CVE-2023-50578Mingsoft mcms sql injection vulnerabilityMingsoft MCMS v5.2.9 was discovered to contain a SQL injection vulnerability via the categoryType parameter at /content/list.do.EPSS 2.2%9.8CVE-2020-20913Mingsoft mcms sql injection vulnerabilitySQL Injection vulnerability found in Ming-Soft MCMS v.4.7.2 allows a remote attacker to execute arbitrary code via basic_title parameter.EPSS 1.4%9.8CVE-2022-4375Mingsoft mcms sql injection vulnerabilityA vulnerability was found in Mingsoft MCMS up to 5.2.9. It has been classified as critical. Affected is an unknown function of the file /cms/category…EPSS 3.0%9.8CVE-2022-36599Mingsoft mcms sql injection vulnerabilityMingsoft MCMS 5.2.8 was discovered to contain a SQL injection vulnerability in /mdiy/model/delete URI via models Lists.EPSS 1.1%9.8CVE-2022-36272Mingsoft mcms sql injection vulnerabilityMingsoft MCMS 5.2.8 was discovered to contain a SQL injection vulnerability in /mdiy/page/verify URI via fieldName parameter.EPSS 1.1%9.8CVE-2022-31943Mingsoft mcms unrestricted file upload vulnerabilityMCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2026-2666), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.