What is CVE-2026-7861?

CVE-2026-7861 is a critical-severity vulnerability in Next4biz Information Technologies Inc. Csm (Customer Service Management), classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-09-07.

How severe is CVE-2026-7861?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Next4biz Information Technologies Inc. Csm (Customer Service Management)

CVE-2026-7861

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 is continuing efforts to remediate the vulnerability.

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Next4biz Information Technologies Inc. Csm (Customer Service Management)

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

iletisim@usom.gov.tr (not-applicable, government-resource)

Frequently asked questions

What is CVE-2026-7861?: CVE-2026-7861 is a critical-severity vulnerability in Next4biz Information Technologies Inc. Csm (Customer Service Management), classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-09-07.
How severe is CVE-2026-7861?: Critical severity. CVSS v3 base score is 9.8 out of 10.