CVE-2026-77756

Apache Tomcat is vulnerable to an HTTP Request/Response Smuggling vulnerability due to the inconsistent interpretation of the transfer-encoding header for HTTP/1.0 requests. When positioned behind a reverse proxy, an attacker can exploit this to cause requests from other users to fail. This issue...

EUVD-2026-85226

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

CVE-2026-77756

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

HTTP Request/response Smuggling

Http4s is vulnerable to HTTP request/response smuggling. The vulnerability is due to Ember’s chunk decoder accepting malformed chunk-size values with leading plus or minus signs, which allows an attacker to exploit differences in chunk-boundary parsing by intermediaries to bypass controls, poison...

CVE-2026-77756: Inconsistent Interpretation of HTTP Requests

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

CVE-2026-86350: Inconsistent Interpretation of HTTP Requests

Inconsistent interpretation of HTTP/2 requests 'HTTP Request/Response smuggling' vulnerability in Apache Tomcat caused by a regression in fix for CVE-2026-41293 can trigger request header mix-up. This issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from 10.1.55 through 10.1.59, from...

PT-2026-95829

Name of the Vulnerable Software and Affected Versions mint versions 0.1.0 through 1.10.0 Description An inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, allows a malicious HTTP/1 server to desynchronize a strict intermediary and the Mint client on a pooled...

CVE-2026-82672: Inconsistent Interpretation of HTTP Requests

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint mint allows a malicious HTTP/1 server to desynchronize a strict intermediary and the Mint client on a pooled connection, enabling response-queue poisoning against subsequent requests that...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

tomcat: Apache Tomcat: Request smuggling vulnerability can lead to denial of service

A flaw was found in Apache Tomcat. This vulnerability, known as HTTP Request/Response Smuggling, occurs when Tomcat processes the transfer-encoding header for an HTTP/1.0 request while operating behind a reverse proxy. A remote attacker could exploit this to cause a denial of service, leading to...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

CVE-2026-74848: Inconsistent Interpretation of HTTP Requests

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache APISIX. An attacker could make other clients receive attacker-chosen or other users' responses on serverless-plugin routes. This issue affects Apache APISIX: from 2.12.0 through 3.17.0. Users ar...

PT-2026-80512

Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, when using Transfer-Encoding: chunked, if a chunk's size parsed to a value of 2^64 or larger, it would be truncated to a 64-bit integer. In theory, this bug could enable HTTP request/response smuggling. This...

PT-2026-76194

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

CVE-2026-24033: Inconsistent Interpretation of HTTP Requests

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3, from 9.0.0 through 9.2.14. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fixes the iss...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...