Apache2 - Transfer-Encoding Chunked XSS

Apache2 PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and 7.2.x before 7.2.10 contain a reflected cross-site scripting vulnerability caused by mishandling of chunked transfer-encoding requests in sapi/apache2handler/sapiapache2.c. Attackers can execute malicious scripts via crafted...

CVE-2020-25613

POC POST / HTTP/1.1 Host: 127.0.0.1:1080 Content-Type: text/html Content-Length: 129 Connection: keep-alive Transfer-Encoding: 0xb chunked 1 A 0 POST /flag HTTP/1.1 Host: 127.0.0.1:1080 Content-Length: 180 Connection: keep-alive Content-Type: text/html URI:...

CVE-2013-2028-Exploit

CVE-2013-2028 Exploit Vulnerability Details Vulnerable software: Nginx 1.3.9 Vulnerable function: ngxhttpparsechunked CVE-2013-2028 is an integer overflow vulnerability in Nginx's HTTP chunked transfer encoding parser. Under the conditions targeted by this laboratory environment, the vulnerabilit...

httpd: httpd: HTTP response smuggling via crafted Transfer-Encoding response in mod_proxy_uwsgi

A flaw was found in the modproxyuwsgi module of Apache HTTP Server. This issue allows HTTP response smuggling when the server processes a crafted uWSGI response containing a Transfer-Encoding header. A remote attacker can exploit this vulnerability to desynchronize HTTP communications, potentiall...

CVE-2026-67181-HTTP-Request-Smuggling-via-Transfer-Encoding-Desynchronization-rouille-

Security Advisory: HTTP Request Smuggling via Transfer-Encoding Desynchronization rouille Assigned CVE ID: CVE-2026-67181 Summary rouille::proxy::proxy forwards the client's Transfer-Encoding header to the backend unchanged, but writes the request body that tinyhttp has already de-chunked. It nev...

CVE-2026-63718

A flaw was found in the modproxyuwsgi module of Apache HTTP Server. This issue allows HTTP response smuggling when the server processes a crafted uWSGI response containing a Transfer-Encoding header. A remote attacker can exploit this vulnerability to desynchronize HTTP communications, potentiall...

CVE-2026-63718

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' response smuggling vulnerability in Apache HTTP Server via modproxyuwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68...

nodejs-http-transfer-encoding-smuggling-poc

nodejs-http-transfer-encoding-smuggling-poc PoC of HTTP Request Smuggling in nodejs CVE-2020-8287 src/index.js header: 'Host', '127.0.0.1', 'Transfer-Encoding', 'chunked', 'Transfer-Encoding', 'eee' , body: 'A' header: 'Host', '127.0.0.1' , body: '' data: 'HTTP/1.1 200 OK\r\n' + 'Date: Tue, 05 Ja...

CVE-2025-55315-detection-playground

Here are some tests that can be performed against these services to observe different behavior on GET/POST routes between the patched and unpatched versions of Kestrel. GET against unpatched sends 200 and socket remains open printf 'GET / HTTP/1.1\r\nHost: localhost\r\nTransfer-Encoding:...

DEBIAN-CVE-2026-63718

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' response smuggling vulnerability in Apache HTTP Server via modproxyuwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68...

CVE-2026-63718

Apache HTTP Server (versions 2.4.30 through 2.4.68 ) is vulnerable to an HTTP response smuggling vulnerability in the mod_proxy_uwsgi module. This issue occurs when the server processes a crafted uWSGI response containing a Transfer-Encoding header, allowing a remote attacker to desynchronize HTT...

CVE-2026-63718 Apache HTTP Server: mod_proxy_uwsgi Transfer-Encoding response smuggling

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' response smuggling vulnerability in Apache HTTP Server via modproxyuwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68...

CVE-2026-63718 Apache HTTP Server: mod_proxy_uwsgi Transfer-Encoding response smuggling

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' response smuggling vulnerability in Apache HTTP Server via modproxyuwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68...

Security Bulletin: IBM WebSphere Application Server Liberty prior to 26.0.0.9 is affected by multiple vulnerabilities

Summary IBM WebSphere Application Server Liberty prior to 26.0.0.9 is affected by multiple vulnerabilities. Vulnerability Details CVEID:CVE-2026-10841 DESCRIPTION: IBM WebSphere Application Server 8.5, 9.0, and Liberty are vulnerable to HTTP request smuggling. CWE:CWE-444: Inconsistent...

BIT-TOMCAT-2026-77756 Apache Tomcat: Transfer-Encoding honored for HTTP/1.0 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...

PT-2026-103937

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' response smuggling vulnerability in Apache HTTP Server via mod proxy uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68...

urllib3: Chunked Deflate streaming can enter an infinite loop

Impact urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading content in chunks instead of loading the entire response body into memory at once. urllib3 can decompress response bodies according to the HTTP Content-Encoding header. When streaming a...

EUVD-2026-89017

urllib3: HTTPResponse.stream/readchunked buffers an unbounded chunk-size line into memory...

netty: io.netty/netty-codec-http: Netty: Request smuggling via malformed Transfer-Encoding parsing

A flaw was found in Netty. This vulnerability allows a remote attacker to perform request smuggling attacks due to incorrect parsing of malformed Transfer-Encoding headers. By exploiting this flaw, an attacker can bypass security controls and potentially access sensitive information or manipulate...

netty: io.netty/netty-codec-http: Netty: Request smuggling via malformed Transfer-Encoding parsing

A flaw was found in Netty. This vulnerability allows a remote attacker to perform request smuggling attacks due to incorrect parsing of malformed Transfer-Encoding headers. By exploiting this flaw, an attacker can bypass security controls and potentially access sensitive information or manipulate...