Astra Linux – Vulnerability in Apache2

Apache HTTP Server versions 2.4.41 to 2.4.46 with modproxyhttp can become unstable when processing specially crafted requests that use both Content-Length and Transfer-Encoding headers. This can lead to a denial of service...

Astra Linux – Vulnerability in Gunicorn

Gunicorn fails to properly validate Transfer-Encoding headers, resulting in HTTP Request Smuggling HRS vulnerabilities. By creating requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue arises due to Gunicorn’s...

Astra Linux – Vulnerability in Tomcat9

Apache Tomcat versions 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46, and 8.5.0 to 8.5.66 failed to properly parse the HTTP transfer-encoding request header under certain circumstances, which could lead to requests for data smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly...

Astra Linux – Vulnerability in Waitress

In Waitress version 1.4.0, if a proxy server is used in front of Waitress, an attacker may send an invalid request that bypasses the front-end and is parsed differently by Waitress. This could lead to HTTP request smuggling. Specifically, requests containing special whitespace characters in the...

Astra Linux – Vulnerability in Netty

The HttpObjectDecoder.java file in Netty before version 4.1.44 allowed a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header...

Astra Linux – Vulnerability in Waitress

Waitress version 1.3.1 would parse the Transfer-Encoding header and only look for a single string value. If that value was not in the “chunked” format, it would proceed using the Content-Length header instead. According to the HTTP standard, Transfer-Encoding should be a comma-separated list, wit...

Astra Linux – Vulnerability in Gunicorn

Gunicorn version 21.2.0 does not properly validate the value of the ‘Transfer-Encoding’ header as specified in the RFC standards. This results in the use of the default fallback method ‘Content-Length’, making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisonin...

Astra Linux – Vulnerability in http-parser

HTTP request smuggling in Node.js versions 10, 12, and 13 causes the delivery of malicious payloads when transfer-encoding is malformed...

CVE-2026-15634: Inconsistent Interpretation of HTTP Requests

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

CVE-2026-15396: Inconsistent Interpretation of HTTP Requests

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

PT-2026-91440

Name of the Vulnerable Software and Affected Versions Squid proxy affected versions not specified Description An issue involving request smuggling in HTTP Transfer-Encoding allows a trusted client to poison the web cache. This enables the storage of arbitrary malicious content at any URL, which c...

PT-2026-91450

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server 9.0 IBM WebSphere Application Server 8.5 IBM WebSphere Application Server - Liberty affected versions not specified Description Improper parsing of the HTTP transfer-encoding request header allows for HTTP...

PT-2026-91448

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

Exploit for Out-of-bounds Write in F5 Nginx

CVE-2013-2028 Exploit Vulnerability Details Vulnerable...

SUSE CVE-2026-89044

Netty versions 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final fail to properly validate the final transfer coding in the Transfer-Encoding header, allowing attackers to smuggle requests by using malformed encoding declarations. Attackers can split Transfer-Encoding...

netty: io.netty/netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers

A flaw was found in Netty's HttpObjectDecoder. A remote attacker can exploit this by sending a specially crafted HTTP/1.0 request that includes both Transfer-Encoding: chunked and Content-Length headers. While Netty correctly strips the conflicting Content-Length header for HTTP/1.1 messages, thi...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling due to incomplete validation of request Transfer-Encoding headers. An...

DEBIAN-CVE-2026-89044

Netty versions 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final fail to properly validate the final transfer coding in the Transfer-Encoding header, allowing attackers to smuggle requests by using malformed encoding declarations. Attackers can split Transfer-Encoding...

CVE-2026-89044

Netty versions 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final fail to properly validate the final transfer coding in the Transfer-Encoding header, allowing attackers to smuggle requests by using malformed encoding declarations. Attackers can split Transfer-Encoding...

CVE-2026-89044 Netty 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final HTTP Request Smuggling via Transfer-Encoding

Netty versions 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final fail to properly validate the final transfer coding in the Transfer-Encoding header, allowing attackers to smuggle requests by using malformed encoding declarations. Attackers can split Transfer-Encoding...