9.8
CRITICAL CVSS 3.1
CVE-2026-7861
Code Injection in Next4Biz's CSM (Customer Service Management)
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.

INFO

Published Date :

Sept. 7, 2026, 3:17 p.m.

Last Modified :

Sept. 9, 2026, 9:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-7861 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL ca940d4e-fea4-4aa2-9a58-591a58b1ce21
CVSS 3.1 CRITICAL [email protected]
Solution
Remediate code injection by applying vendor patches or updates when available.
  • Apply vendor patches when available.
  • Update the software to the latest version.
  • Review input validation and sanitization practices.
  • Monitor for security advisories.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-7861.

URL Resource
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-7861 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-7861 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-7861 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-7861 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Sep. 09, 2026

    Action Type Old Value New Value
    Changed 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): through 07092026. NOTE: The vendor is continuing efforts to remediate the vulnerability. 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.
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/7xxx/CVE-2026-7861.json">CVE-2026-7861</a>
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 08, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-7861', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-08T14:45:45.624619Z'}
  • CVE Modified by [email protected]

    Sep. 08, 2026

    Action Type Old Value New Value
    Changed 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): through 07092026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. 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.
  • New CVE Received by [email protected]

    Sep. 07, 2026

    Action Type Old Value New Value
    Added 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): through 07092026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-502
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/7xxx/CVE-2026-7861.json">CVE-2026-7861</a>
    Added Reference https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.