Remote Code Execution and Denial of Service in IBM HTTP Server

CVE-2026-8855

What is CVE-2026-8855?

IBM HTTP Server versions 8.5 and 9.0 are susceptible to vulnerabilities that allow attackers to execute arbitrary code remotely and potentially disrupt service. This issue arises in settings where TLS mutual authentication (client authentication) is enabled, which could lead to severe consequences for security and operational integrity. Users should review the IBM security advisory for mitigating actions and patch availability.

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