(TLP:CLEAR) CISA ICS Advisories, Additional Alerts, Updates, and Bulletins – April 9, 2026

The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS security advisories, along with additional alerts, updates, and bulletins:

ICS Advisories:

On April 9, 2026, CISA Released Three Industrial Control Systems Advisories for products used across multiple sectors, please check these latest advisories for specific equipment used across your ICS/SCADA environments and address accordingly:

• Contemporary Controls BASC 20T – Used in Energy
• GPL Odorizers GPL750
• OpenPLC_V3 (Update A) – Used in Water and Wastewater Systems and Energy

On April 7, 2026, CISA Released One Industrial Control Systems Advisories for products used across multiple sectors, please check these latest advisories for specific equipment used across your ICS/SCADA environments and address accordingly:

• Mitsubishi Electric GENESIS64 and ICONICS Suite products

Additional Alerts, Updates, and Bulletins:

• Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure
• April 8 – CISA Adds One Known Exploited Vulnerability to Catalog
• April 6 – CISA Adds One Known Exploited Vulnerability to Catalog