Critical Flaw In Apache HTTP Server Enables DoS & Remote Code Execution (RCE) Attacks

A newly disclosed high-severity vulnerability in the widely used Apache HTTP Server is prompting urgent warnings from cybersecurity experts, after researchers demonstrated that the flaw could be exploited to trigger denial-of-service (DoS) attacks and, under certain conditions, achieve remote code execution (RCE).

The issue, tracked as CVE-2026-23918, carries a CVSS score of 8.8 and affects version 2.4.66 of the server. It has been patched in version 2.4.67, which was released by the Apache Software Foundation as part of a broader security update addressing multiple vulnerabilities.