Deserialization Vulnerability in CSM by Next4Biz Information Technologies Inc.
CVE-2026-7861

9.8CRITICAL

Key Information:

Vendor

Next4biz Information Technologies Inc.

Status
Csm (customer Service Management)
Vendor
CVE Published:
7 September 2026

What is CVE-2026-7861?

A deserialization of untrusted data vulnerability has been identified in the CSM provided by Next4Biz Information Technologies Inc. This flaw allows attackers to inject arbitrary code, which could result in unauthorized actions being performed on the affected system. The vulnerability impacts all versions of CSM up to 07092026. Despite early notification of this issue, the vendor did not respond, leaving users at potential risk. It is crucial for customers using this product to assess their security posture and apply any mitigations where applicable.

Affected Version(s)

CSM (Customer Service Management) 0 <= 07092026

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/...
government-resource

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Batuhan ER
.