CODESYS CODESYS Modbus vulnerabilities (CVE)

CVE records published for CODESYS CODESYS Modbus, newest first. Follow to get an email when a new one appears.

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8.2High

CVE-2026-35227 6 months ago

Improper resource management in CODESYS Modbus TCP Server

CODESYS CODESYS Modbus

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.