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TI-2026-02278 Aliases CVE-2026-2666GHSA-r9wp-qq53-qvjx

mingSoft MCMS Template Archive uploadTemplate.do unrestricted upload

Priority MEDIUM 56CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284 and CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00411 35th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MingsoftMCMS6.1.1—No fix listedCNA
—net.mingsoft:ms-mcms (Maven)up to 6.1.1—No fix listedGHSA-r9wp-qq53-qvjx
  • MCMS VendorMingsoft Affected 6.1.1 Fixed in — No fix listed CNA
  • net.mingsoft:ms-mcms (Maven) Vendor— Affected up to 6.1.1 Fixed in — No fix listed GHSA-r9wp-qq53-qvjx

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mingsoft:mcms:6.1.1:*:*:*:*:*:*:*6.1.1VulnerableMingsoft
  • cpe:2.3:a:mingsoft:mcms:6.1.1:*:*:*:*:*:*:* Versions 6.1.1 Vulnerable ·Mingsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2666
  2. 2026-10-03 Alias added: GHSA-r9wp-qq53-qvjx

References

Exploit 2

Advisory 1

Other 1

  • TI-2025-21032 An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows… CVSS 3.1CRITICAL 9.8
  • TI-2023-27629 Mingsoft MCMS v5.2.9 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
  • TI-2020-13941 SQL Injection vulnerability found in Ming-Soft MCMS v.4.7.2 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2022-04007 Mingsoft MCMS list sql injection CVSS 3.1CRITICAL 9.8
  • TI-2022-23293 MCMS v5.2.10 and below was discovered to contain an arbitrary file write vulnerability… CVSS 3.1HIGH 8.8
  • TI-2020-14389 File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a… CVSS 3.1HIGH 8.8
See all 46 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences