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o6 Automation open62541: multiple CISA-coordinated OPC UA vulnerabilities

lowoss_secPublished 2026-07-30

<p>Posted by Abhinav Agarwal on Jul 30</p>CISA has published an advisory for four vulnerabilities in open62541, the<br /> open-source OPC UA (IEC 62541) implementation maintained by o6 Automation<br /> GmbH, affecting 1.3.0-1.3.17, 1.4.0-1.4.16, 1.5.0-1.5.4 and master:<br /> <br /> <a href="https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-08" rel="nofollow">https://www.cisa.gov/news-e

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Original source: https://seclists.org/oss-sec/2026/q3/350