Apache Traffic Server Vulnerabilities Enable Denial-of-Service Attacks

The Apache Software Foundation has issued critical security updates for two vulnerabilities in Apache Traffic Server (ATS), disclosed on April 2, 2026. These flaws allow remote attackers to trigger denial-of-service (DoS) conditions or execute HTTP request smuggling attacks. The vulnerabilities arise from the server's handling of HTTP requests that contain body data. Organizations using ATS for web proxy caching and traffic management are particularly at risk. The updates aim to mitigate potential exploitation of these vulnerabilities. No specific CVEs were mentioned in the articles. The current status is that patches have been released to address these issues. Security teams are advised to implement these updates promptly to safeguard their systems.

Key Points: • Two critical vulnerabilities in Apache Traffic Server allow for DoS attacks. • The vulnerabilities are related to the processing of HTTP requests with body data. • Emergency patches have been released to mitigate the risks associated with these flaws.