CVE-2026-82784
Last modified
CVE-2026-82784 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Contec Co., Ltd. | Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* | < 1.82 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-82784?
How severe is CVE-2026-82784?
How do I fix CVE-2026-82784?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-82779Improper neutralization of special elements used in an OS co…8.8
- CVE-2026-8278Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMB…
- CVE-2026-82780Unrestricted upload of file with dangerous type issue exists…8.8
- CVE-2026-82781Cross-site scripting vulnerability exists in CONPROSYS nano …5.4
- CVE-2026-82782Out-of-bounds write vulnerability exists in CONPROSYS nano S…4.3
- CVE-2026-82783Plaintext storage of a password issue exists in CONPROSYS na…4.2
- CVE-2026-82785Stack-based buffer overflow vulnerability exists in Remote I…4.3
- CVE-2026-82786Insufficiently protected credentials issue exists in Remote …6.3
- CVE-2026-82787Missing authentication for critical function vulnerability e…9.8
- CVE-2026-82788Cross-site scripting vulnerability exists in CPSL-08P1EN. If…6.1
- CVE-2026-82789An improper neutralization of directives in dynamically eval…8.8
- CVE-2026-8279The Masteriyo LMS plugin for WordPress is vulnerable to unau…5.3
Are you affected by CVE-2026-82784?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST