Check Point security advisory (AV26-559)

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        <div><p><strong>Serial number:</strong> AV26-559<br /><strong>Date:</strong> June 8, 2026</p>

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

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Article Link: Check Point security advisory (AV26-559) - Canadian Centre for Cyber Security