High severity7.5NVD Advisory· Published Mar 24, 2026· Updated Jun 17, 2026
CVE-2026-3509
CVE-2026-3509
Description
An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: 4.1.0.0
Patches
Vulnerability mechanics
References
1News mentions
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