CVE-2026-28367: Inconsistent Interpretation of HTTP Requests

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer,...

CVE-2025-4600

A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after ...

CVE-2025-4600

CVE-2025-4600 concerns Google Cloud Classic Application Load Balancer. The issue is a HTTP request smuggling vulnerability caused by improper handling of chunked-encoded requests. The root cause is mishandling of chunked data, allowing backend misinterpretation. The fix disallowed stray data afte...

PT-2025-21652 · Google · Google Cloud Classic Application Load Balancer

Name of the Vulnerable Software and Affected Versions: Google Cloud Classic Application Load Balancer versions prior to 2025-04-26 Description: A request smuggling issue existed due to improper handling of chunked-encoded HTTP requests, allowing attackers to craft requests that could be...

CVE-2025-4600: Inconsistent Interpretation of HTTP Requests

A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after ...