io.netty/netty-handler: Netty: TLS hostname verification bypass via OpenSSL client path misconfiguration

A flaw was found in Netty io.netty:netty-handler. When using the SslProvider.OPENSSL client path with a plain X509TrustManager and without Unsafe-based trust-manager wrapping Java 25+, TLS hostname verification is disabled. This misconfiguration allows a man-in-the-middle attacker to present a...

Security Bulletin: IBM Terracotta is affected by undertow vulnerabilities that could allow unauthenticated attackers to bypass client certificate authentication via forged AJP attributes and trigger a Denial of Service (DoS)

Summary IBM Terracotta uses undertow as an embedded web server. Vulnerability Details CVEID:CVE-2026-15554 DESCRIPTION: the Undertow AJP listener honours forged sslcert and isssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direc...

io.netty/netty-handler: Netty: TLS hostname verification bypass via OpenSSL client path misconfiguration

A flaw was found in Netty io.netty:netty-handler. When using the SslProvider.OPENSSL client path with a plain X509TrustManager and without Unsafe-based trust-manager wrapping Java 25+, TLS hostname verification is disabled. This misconfiguration allows a man-in-the-middle attacker to present a...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

Apache Thrift Python bindings have a Improper Validation of Certificate with Host Mismatch vulnerabilit

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings.This issue affects Apache Thrift: before 0.24.0.Users are recommended to upgrade to version 0.24.0, which fixes the issue.This replacesCVE-2026-41603...

PYSEC-2026-3927 Apache Thrift Python bindings have a Improper Validation of Certificate with Host Mismatch vulnerabilit

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. This replaces CVE-2026-41603...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

SUSE CVE-2026-87571

Improper certificate validation in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. Chromium security severity: Low...

SUSE CVE-2026-87608

Improper certificate validation in FedCM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. Chromium security severity: Low...

osbuild-composer security update

An update is available for osbuild-composer. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list A service for building customized OS artifacts, such as VM images a...

RLSA-2026:65895 Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes: crypto/x50...

RLSA-2026:65886 Important: image-builder security update

A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood. Security Fixes: crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation CVE-2026-32281 crypto/x509: crypto/tls: golang: Go: Denial of...

Vulnerability of the x509_utils_verify() function in the RDP client FreeRDP, allowing attackers to bypass existing security mechanisms

The vulnerability of the x509utilsverify function in the RDP client FreeRDP is related to errors in the certificate validation process. Exploiting this vulnerability could allow an attacker to bypass existing security mechanisms remotely...

RHEL 9 : Red Hat OpenStack Platform 17.1 security advisory (Important) (RHSA-2026:66401)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:66401 advisory. Red Hat OpenStack Platform provides the facilities for building, deploying and monitoring a private or public infrastructure-as-a-service...

RockyLinux 10 : osbuild-composer (RLSA-2026:65895)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:65895 advisory. crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application CVE-2026-33810 net/mail: golang: net/mai...

image-builder security update

An update is available for image-builder. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list A local binary for building customized OS artifacts such as VM images...

DRUPAL-CONTRIB-2026-142

This module allows you to configure your Drupal site as a SAML 2.0 Service Provider so that users can authenticate through an external identity provider. The module does not properly validate TLS certificates when making outbound HTTPS requests. An attacker in a position to intercept network...

CVE-2026-79732

Dell Secure Connect Gateway SCG 5.0 Appliance, versions prior to 5.36.00.xx, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass...

CVE-2026-79736

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access...

CVE-2026-79729

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access...