CVE-2026-7861CWE-502insecure-deserialization

CVE-2026-7861

Critical · published September 7, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
46.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00564 · 46.1th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-07T19:17Z
References (1)
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027 · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 07 SEP 14:19Z
    Code Injection in Next4Biz's CSM (Customer Service Management)
    cvelistv5