CVE-2026-65637

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of...

Improper Validation of Unsafe Equivalence in Input

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Validation of Unsafe Equivalence in Input in the HTTP/2 request handling. An attacker can bypass strict SNI validation by...

CVE-2026-65637

Apache Tomcat contains an improper input validation vulnerability in its HTTP/2 implementation where the fix for CVE-2026-32990 (strict SNI validation) was incomplete, allowing a no-authority bypass of strict SNI validation . The issue affects 11.0.20–11.0.24 , 10.1.53–10.1.57 , and 9.0.115–9.0.1...

CVE-2026-75595

Netty (asynchronous, event-driven network framework) is affected by an SNI routing bypass in io.netty.handler.ssl.SslClientHelloHandler#decode . The method checks the wrong offset before reading the four-byte TLS handshake header, so a ClientHello whose handshake header spans records triggers an ...

CVE-2026-50149 Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled

Contour is a Kubernetes ingress controller using Envoy proxy. In versions 1.23.0 through 1.33.4, when an HTTPProxy is configured with incompatible combination of both .spec.virtualhost.tls.enableFallbackCertificate: true and .spec.virtualhost.jwtProviders, Contour does not reject the configuratio...

SUSE SLES15 Security Update : python-aiohttp (SUSE-SU-2026:3208-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3208-1 advisory. - CVE-2026-50269: improper validation of user-controlled strings allows for CRLF injection in multipart headers bsc1268398. -...

openSUSE 16 Security Update : python-aiohttp (openSUSE-SU-2026:21372-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21372-1 advisory. This update for python-aiohttp fixes the following issues - CVE-2026-50269: improper validation of user-controlled strings allows for CRLF...

SUSE-SU-2026:22819-1 Security update for python-aiohttp

This update for python-aiohttp fixes the following issues - CVE-2026-50269: improper validation of user-controlled strings allows for CRLF injection in multipart headers bsc1268398. - CVE-2026-54273: no limit in the HTTP/1 pipelined request queue can lead to excessive resource consumption...

Amazon Linux 2 : tomcat, --advisory ALAS2TOMCAT9-2026-024 (ALASTOMCAT9-2026-024)

The version of tomcat installed on the remote host is prior to 9.0.115-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2TOMCAT9-2026-024 advisory. mproper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from...