What is CVE-2026-82786?

CVE-2026-82786 is a medium-severity vulnerability in Contec Co., Ltd. Remote I/o Coupler Unit (Server Type) Cpsn-Mcb271-*, classified under Insufficiently Protected Credentials. CVSS score: 6.3/10. Published 2026-09-14.

How severe is CVE-2026-82786?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Contec Co., Ltd. Remote I/o Coupler Unit (Server Type) Cpsn-Mcb271-*

CVE-2026-82786

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.

EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Contec Co., Ltd. Remote I/o Coupler Unit (Server Type) Cpsn-mcb271-*

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

Frequently asked questions

What is CVE-2026-82786?: CVE-2026-82786 is a medium-severity vulnerability in Contec Co., Ltd. Remote I/o Coupler Unit (Server Type) Cpsn-Mcb271-*, classified under Insufficiently Protected Credentials. CVSS score: 6.3/10. Published 2026-09-14.
How severe is CVE-2026-82786?: Medium severity. CVSS v3 base score is 6.3 out of 10.