Critical Canon MailSuite Vulnerability Enables Remote Code Execution Attacks

Canon Marketing Japan has disclosed a critical vulnerability in GUARDIANWALL MailSuite that can let remote attackers execute arbitrary code on affected systems. The flaw, tracked as CVE-2026-32661 and JVN#35567473, affects GUARDIANWALL MailSuite on-premises versions 1.4.00 through 2.4.26. JPCERT/CC says attacks exploiting the vulnerability have already been observed against on-premises deployments. The issue affects the product’s […] The post Critical Canon MailSuite Vulnerability Enables Remote Code Execution Attacks appeared first on VPN Central.