vulnerability OpenPLC v3 A critical vulnerability exists in OpenPLC v3, allowing authenticated attackers to write arbitrary files and escalate to arbitrary native code execution through the program upload process. This vulnerability affects critical infrastructure sectors globally and is being addressed with an upgrade to OpenPLC v4, which is… CISA Advisories · Jul 9, 2026 Critical CVE-2026-14480vulnerabilityindustrial control systemscwe-73