io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

Security Bulletin: Vulnerabilities reported in netty-codec-4.1.135.Final.jar for APIM

Summary Vulnerabilities found in netty-codec-4.1.135.Final.jar are addressd in APIM 11.1 Vulnerability Details CVEID:CVE-2026-56745 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty-codec-http: Netty: Security control bypass allows unauthorized requests via null origin header

A flaw was found in Netty, a network application framework. A remote attacker can bypass security controls in the CorsHandler component by sending a specially crafted request with a null origin header. This bypasses the intended access restrictions, allowing unauthorized requests to reach the...

io.netty/netty: Netty: Information disclosure via CORS Vary header overwrite

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

io.netty/netty: Netty: Information disclosure via CORS Vary header overwrite

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

CVE-2026-59903

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

SUSE CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

Netty Vulnerable to Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Summary Netty's CorsHandler silently overwrites existing Vary headers, enabling cache poisoning and sensitive information disclosure. Details io.netty.handler.codec.http.cors.CorsHandlersetVaryHeader overwrites any existing Vary headers set by backend applications. java private static void...

Use of Cache Containing Sensitive Information

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 Use of Cache Containing Sensitive Information due to the setVaryHeader method in...

GHSA-8C42-7QJ2-3J46 Netty Vulnerable to Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Summary Netty's CorsHandler silently overwrites existing Vary headers, enabling cache poisoning and sensitive information disclosure. Details io.netty.handler.codec.http.cors.CorsHandlersetVaryHeader overwrites any existing Vary headers set by backend applications. java private static void...

CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903 Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903 Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...