Serial number: AV26-559
Date: June 8, 2026

On June 8, 2026, Check Point published a security advisory to address a critical vulnerability in the following products:

• Mobile Access / SSL VPN, Remote Access VPN, Spark Firewall – multiple versions
• Security Gateways, Spark Firewall – multiple versions

Check Point has observed active exploitation of this vulnerability.

The Cyber Centre encourages users and administrators to review the provided web links and perform the suggested mitigations.

• Security Advisory – Action Required – Active Exploitation of Check Point VPN Authentication Bypass (CVE-2026-50751)
• Check Point Security

Serial number:AV26-558
Date:June 8, 2026

On June 8, 2026, Spring published security advisories to address vulnerabilities in the following products:

• Micrometer / Micrometer-core / jetty11 / jetty12 – multiple versions

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

• CVE-2026-40984: Micrometer HTTP server instrumentations DoS vulnerability
• CVE-2026-40983: Micrometer gRPC server instrumentation DoS vulnerability
• Spring Security Advisories

Serial number: AV26-557
Date: June 8, 2026

Between June 1 and 7, 2026, Red Hat published security advisories to address vulnerabilities in multiple products. Included were updates to address vulnerabilities in the Linux kernel for the following products:

• Red Hat CodeReady Linux Builder – multiple versions and platforms
• Red Hat Enterprise Linux – multiple versions and platforms
• Red Hat Enterprise Linux Server – multiple versions and platforms
• Red Hat Enterprise Linux for Real Time – multiple versions and platforms

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

• Red Hat Security Advisories

Serial number:AV26–556
Date:June 8, 2026

Between June 1 and 7, 2026, CISA published ICS advisories to address vulnerabilities in the following products:

• B&R Industrial Automation GmbH PPT30 Operating System – versions prior to 1.8.0
• Hitachi Energy ITT600 Explorer – version prior to 2.1 SP6
• Hitachi Energy MACH HiDraw – version 9.22 and prior
• Hitachi Energy RTU500 – multiple versions
• NAVTOR NavBox – version 4.16.1.20

The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates if available.

• CISA ICS Advisories

Serial number:AV26-555
Date: June 8, 2026

Between June 1 and 7, 2026, Ubuntu published security notices to address vulnerabilities in the Linux kernel affecting the following products:

• Ubuntu 14.04 LTS
• Ubuntu 16.04 LTS
• Ubuntu 18.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 22.04 LTS
• Ubuntu 24.04 LTS
• Ubuntu 25.10
• Ubuntu 26.04 LTS

The Cyber Centre encourages users and administrators to review the web link provided and apply the necessary updates.

• Ubuntu Security Notices

Serial number:AV26-554
Date: June 8, 2026

Between June 1 and 7, 2026, Dell published security advisories to address vulnerabilities in multiple products:

• Dell Private Cloud -VMware – versions prior to 01.04.00.00
• PowerSwitch Z9864F-ON – versions prior to v3.5.0
• Dell Automation Platform – versions prior to 2.1.0.0
• Dell VxRail Appliance – versions prior to 8.0.390

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

• DSA-2026-242: Security Update for Dell Private Cloud - VMware for Multiple Third-Party Component Vulnerabilities
• DSA-2026-252: Security Update for Dell Networking Products for AMI MegaRAC SPx13
• DSA-2026-244: Security Update for Dell Automation Platform for Multiple Third-Party Component Vulnerabilities
• DSA-2026-245: Security Update for Dell VxRail for Multiple Third-Party Component Vulnerabilities
• Dell Security advisories and notices