---
id: CVE-2026-7861
title: >-
  Deserialization of untrusted data vulnerability in Next4Biz Information
  Technologies Inc
summary: >-
  Deserialization of untrusted data vulnerability in Next4Biz Information
  Technologies Inc. CSM (Customer Service Management) allows Code Injection.


  This issue affects CSM (Customer Service Management): before 8.0.3.
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-502
vendor: Next4Biz Information Technologies Inc.
product: CSM (Customer Service Management)
affected:
  - csm_customer_service_management < 8.0.3
published: '2026-09-07'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T09:17:11.703'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-7861'
references:
  - url: 'https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027'
    label: iletisim@usom.gov.tr
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-08T14:45:45.624619Z'
epss: 0.00564
epssPercentile: 0.44504
ingestedAt: '2026-09-08T15:33:26.978Z'
---

## Overview

Deserialization of untrusted data vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Code Injection.

This issue affects CSM (Customer Service Management): before 8.0.3.

## Remediation

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