ThreatsIndustrial & OTBreakingCritical OpenPLC Runtime v3 Flaw Enables Remote Controller Hijacking Across Industrial Automation NetworksCISA ICS advisory ICSA-26-265-09 details critical buffer overflow and authentication bypass flaws in OpenPLC Runtime v3, allowing remote process disruption.Daniel Okafor·24 Sep 2026, 16:00 IST·16 min read