CODESYS vulnerabilities

104 published CVEs name CODESYS among the affected products.

Critical 3High 64Medium 36Low 1Not scored 0

CVEs per yearBy the year they were published

CVE-2026-76992
Uncontrolled Memory Allocation in CODESYS Gateway Client
CODESYS · Development System 3
High8.7
CVE-2026-79625
Improper Synchronization in Monitoring in CODESYS Control Runtime
CODESYS · Control RTE (SL)
High7.2
CVE-2026-35226
Out-of-bounds Write in CODESYS PROFINET Controller
CODESYS · CODESYS PROFINET
High7.1
CVE-2026-8047
Out-of-bounds Write in CODESYS Control
CODESYS · CODESYS Control RTE (SL)
High8.7
CVE-2026-8046
Incorrect Authorization in CODESYS Control
CODESYS · CODESYS Control RTE (SL)
High7.2
CVE-2026-44469
Incorrect Default Permissions in CODESYS Development System
CODESYS · CODESYS Development System
High8.5
CVE-2026-44468
Incorrect Default Permissions in CODESYS Development System
CODESYS · CODESYS Development System
High8.5
CVE-2026-0393
CODESYS Visualization - Insufficiently Protected Credentials
CODESYS · Visualization
Medium6.9
CVE-2026-35227
Improper resource management in CODESYS Modbus TCP Server
CODESYS · CODESYS Modbus
High8.2
CVE-2026-35225
Improper timeout handling in CODESYS EtherNetIP
CODESYS · CODESYS EtherNetIP
High8.7