CVE-2026-2666

MEDIUM
2026-02-18 [email protected] GHSA-r9wp-qq53-qvjx
4.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 19, 2026 - 18:36 vuln.today
Public exploit code
CVE Published
Feb 18, 2026 - 20:18 nvd
MEDIUM 4.7

Tags

File Upload Authentication Bypass Mcms

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.

Analysis

Unrestricted file upload in mingSoft MCMS 6.1.1's template archive handler allows authenticated attackers with high privileges to upload arbitrary files via manipulation of the File parameter in /ms/file/uploadTemplate.do. Public exploit code exists for this vulnerability and no patch is currently available. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +24
POC: +20

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CVE-2026-2666 vulnerability details – vuln.today
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