Canon has disclosed a critical security vulnerability in its GUARDIANWALL MailSuite product that could allow attackers to execute arbitrary code remotely, raising serious concerns for organizations relying on the platform for email security. The issue, officially announced on May 13, 2026, affects GUARDIANWALL MailSuite versions 1.4.00 through 2.4.26. According to Canon, the flaw stems from […] The post Canon MailSuite Security Flaw Allows Attackers to Execute Code Remotely appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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