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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 1 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 1 No user interaction 2

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Weakness (CWE) CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization 1 CWE-770 Allocation of Resources Without Limits or Throttling 1

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Release: CODESYS Development System 3, HMI (SL), Runtime Toolkit 3.5.22.40 × Clear all filters

TI-2026-53779 CVE-2026-76992 · GHSA-cm9r-92x3-hmfj

Uncontrolled Memory Allocation in CODESYS Gateway Client

Priority MEDIUM 44

The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00327 · Published 2026-09-30 · Fixed in 3.5.22.40, 4.23.0.0 CWE-770

TI-2026-55135 CVE-2026-79625 · GHSA-crvr-hhmx-9hp6

Improper Synchronization in Monitoring in CODESYS Control Runtime

Priority LOW 31

Affected products do not properly synchronize access to their monitoring functionality.

CVSS 4.0HIGH 7.2· Network · Low privileges · No interaction · EPSS 0.00229 · Published 2026-09-30 · Fixed in 3.5.22.40, 4.23.0.0 CWE-362

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