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Codesys

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high advisory

CODESYS Control Runtime System Audit Log DoS Vulnerability (CVE-2026-3509)

An unauthenticated remote attacker can exploit CVE-2026-3509 in the CODESYS Control runtime system to control the format string of messages processed by the Audit Log, leading to a denial-of-service (DoS) condition.

codesys dos cve-2026-3509 ics ot
2r 1t
critical advisory

CODESYS Multiple Vulnerabilities Allow Arbitrary Code Execution and DoS

Multiple vulnerabilities in CODESYS allow a remote attacker to execute arbitrary program code and conduct a denial-of-service attack.

codesys vulnerability arbitrary-code-execution denial-of-service ics
2r 2t