CVE-2026-7861 PUBLISHED

Code Injection in Next4Biz's CSM (Customer Service Management)

Assigner: TR-CERT
Reserved: 05.05.2026 Published: 07.09.2026 Updated: 07.09.2026

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

This issue affects CSM (Customer Service Management): through 07092026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Next4Biz Information Technologies Inc.
Product	CSM (Customer Service Management)
Versions	Default: unknown affected from 0 to 07092026 (incl.)

Credits

Batuhan ER finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027

Problem Types

CWE-502 Deserialization of untrusted data CWE

Impacts

CAPEC-242 Code Injection