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Vulnerabilities of CODESYS CODESYS Runtime Toolkit

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CVE Summary Score Published
CVE-2026-8047 The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a… 8.7 High May 26, 2026
CVE-2026-8046 The affected products insufficiently verify authorization when deleting user accounts 7.2 High May 26, 2026
CVE-2026-3509 An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of… 7.5 High Mar 24, 2026
CVE-2025-41660 A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system,… 8.8 High Mar 24, 2026
CVE-2025-41738 An unauthenticated remote attacker may cause the visualisation server of the CODESYS Control runtime system to access… 7.5 High Dec 1, 2025
CVE-2025-41739 An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the… 5.9 Medium Dec 1, 2025
CVE-2025-0694 Insufficient path validation in CODESYS Control allows low privileged attackers with physical access to gain full… 6.6 Medium Mar 18, 2025
CVE-2025-1468 An unauthenticated remote attacker can gain access to sensitive information including authentication information when… 7.5 High Mar 18, 2025
CVE-2024-8175 An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS 7.5 High Sep 25, 2024
CVE-2024-5000 An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS… 7.5 High Jun 4, 2024

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