CVE-2026-6377 PUBLISHED

Path Traversal in Next4Biz's CSM (Customer Service Management)

Assigner: TR-CERT
Reserved: 15.04.2026 Published: 07.09.2026 Updated: 07.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Next4Biz Information Technologies Inc.
Product	CSM (Customer Service Management)
Versions	Default: unknown affected from 6.8.9 to 07092026 (incl.)

Credits

Muhammet Fatih SENCER finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE

Impacts

CAPEC-126 Path Traversal