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CVE-2026-82784

Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* · Vulnerability

CVSS 3.1 6.5 MEDIUMCVSS 4.0 6.9 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82784

Published

Missing authentication for critical function vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. An attacker may execute a REST API without authentication, which could allow the attacker to retrieve I/O values and/or control the output.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82784

Published

Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Contec Co., Ltd.",
                    "product": "Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "1.82"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON