Critical severity · published Sep 7, 2026
CVE-2026-7861
Code Injection in Next4Biz's CSM (Customer Service Management)
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
CSM (Customer Service Management) · Next4Biz Information Technologies Inc.
before 8.0.3 · source: vendor
Affected product
CC
CSM (Customer Service Management)
Next4Biz Information Technologies Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7861
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7861
siberguvenlik.gov.tr
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027
More from CSM (Customer Service Management)
7.5
CVE-2026-6377
Path Traversal in Next4Biz's CSM (Customer Service Management)