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CVE-2026-6377— Path Traversal in Next4Biz's CSM (Customer Service Management)

Quick assessment

Affected
Next4Biz Information Technologies Inc. CSM (Customer Service Management)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Next4Biz Information Technologies Inc. 的客户关系管理（CSM，Customer Service Management）系统存在“路径名限制不当”（即“路径遍历”）漏洞，可导致路径遍历攻击。 受影响版本：CSM（客户关系管理）6.8.9 至 07092026 版本。 备注：披露该漏洞时曾提前联系供应商，但供应商未作任何回应。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1083.005

Affected Version Matrix 1

VendorProduct Version RangeStatus
Next4Biz Information Technologies Inc. CSM (Customer Service Management) 6.8.9≤ 07092026 affected
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I. Basic Information for CVE-2026-6377

Vulnerability Information
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Vulnerability Title
Path Traversal in Next4Biz's CSM (Customer Service Management)
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Path Traversal. This issue affects CSM (Customer Service Management): from 6.8.9 through 07092026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Next4Biz Information Technologies Inc. CSM (Customer Service Management) 6.8.9 ~ 07092026 -

II. Public POCs for CVE-2026-6377

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III. Intelligence Information for CVE-2026-6377

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Vendor Advisories for CVE-2026-6377 (1)

IV. Related Vulnerabilities

Same product: CSM (Customer Service Management)
Same vendor: Next4Biz Information Technologies Inc.
Same weakness: CWE-22

V. Comments for CVE-2026-6377

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