Medium 2026-08-06

Security Advisory: Imunify360 Kernel Exploit Protection

Imunify360 AlmaLinux 9 CentOS 7 Ubuntu 22.04

A kernel-level exploit bypass was discovered in Imunify360 active protection, reducing effectiveness of exploit detection on newer kernels.

Affected Versions

5.5.0 and earlier

Patched Version

5.6.0

Default Update CMD

yum update -y

Fix Commands

CentOS 7 / AlmaLinux 9

yum clean all
yum update imunify360-firewall

Ubuntu 22.04

apt update
apt install --only-upgrade imunify360-firewall

A kernel-level exploit bypass was discovered in Imunify360 active protection, reducing effectiveness of exploit detection on newer kernels.

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Select your product and operating system to see the exact fix commands that apply to you.