CERT-In Issues Critical Warning for FortiOS & FortiProxy Vulnerabilities

• 29 May, 2026
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CERT-In has issued a high-severity advisory regarding multiple vulnerabilities discovered in Fortinet FortiOS and FortiProxy. These vulnerabilities could allow remote attackers to execute arbitrary code, cause denial-of-service conditions, or bypass security restrictions on affected systems.

Affected Products

• FortiOS 7.4.x (all versions below 7.4.5)
• FortiOS 7.2.x (all versions below 7.2.9)
• FortiProxy 7.4.x (all versions below 7.4.3)

Recommended Actions

• Upgrade FortiOS to the latest patched version immediately
• Upgrade FortiProxy to the latest patched version immediately
• Restrict management access to trusted IPs
• Enable multi-factor authentication for all administrative accounts

At P J Networks, we monitor CERT-In advisories in real-time. Our 24/7 SOC team identifies affected devices within minutes and applies virtual patches immediately.