CVE-2026-82786

Insufficiently Protected Credentials Lead to Sensitive Information Exposure in Contec Remote I/O Coupler Unit

Published Sep 14, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Description
Insufficiently protected credentials issue exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. If this vulnerability is exploited, sensitive information may be restored from a backup file.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Contec
Contec remote I/o Coupler Unit (server Type) Cpsn-mcb271-*
Vendors & Products Contec
Contec remote I/o Coupler Unit (server Type) Cpsn-mcb271-*
Type Values Removed Values Added
Title Insufficiently Protected Credentials Lead to Sensitive Information Exposure in Contec Remote I/O Coupler Unit
Type Values Removed Values Added
Title Credentials Vulnerability in Contec CPSN‑MCB271 Enables Sensitive Data Retrieval
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Credentials Vulnerability in Contec CPSN‑MCB271 Enables Sensitive Data Retrieval
Type Values Removed Values Added
Description Insufficiently protected credentials issue exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. If this vulnerability is exploited, sensitive information may be restored from a backup file.
Weaknesses CWE-522
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Sep 14, 2026, 11:19 AM
Reserved
Aug 31, 2026, 2:30 AM
Status
Deferred
Published
Sep 14, 2026, 7:17 AM
Modified
Sep 16, 2026, 7:27 PM