---
id: CVE-2026-88416
title: >-
  MCMS 6.1.1 through 6.2.1 has a SQL injection vulnerability in the custom
  model/form import feature.
summary: >-
  MCMS 6.1.1 through 6.2.1 has a SQL injection vulnerability in the custom
  model/form import feature.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-89
published: '2026-09-22'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T18:16:58.243'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88416'
references:
  - url: 'https://github.com/15536818056/CVE/issues/3'
    label: cve@mitre.org
  - url: 'https://github.com/15536818056/CVE/issues/3'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00319
epssPercentile: 0.2467
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-06T14:58:54.406471Z'
ingestedAt: '2026-09-22T20:10:15.101Z'
---

## Overview

MCMS 6.1.1 through 6.2.1 has a SQL injection vulnerability in the custom model/form import feature.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.