CVE-2026-33557

A flaw was found in Apache Kafka. By default, the sasl.oauthbearer.jwt.validator.class property is set to org.apache.kafka.common.security.oauthbearer.DefaultJwtValidator, which does not validate JSON Web Token JWT signatures, issuers, or audiences. A remote attacker can exploit this by crafting ...

SUSE CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

CLEANSTART-2026-IS05941 CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native

Multiple security vulnerabilities affect the thingsboard package. CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. See references for individual vulnerability details...

CLEANSTART-2026-HM96194 In libexpat before 2

Multiple security vulnerabilities affect the apache-zookeeper package. In libexpat before 2. See references for individual vulnerability details...

CLEANSTART-2026-KX82113 In libexpat before 2

Multiple security vulnerabilities affect the apache-zookeeper package. In libexpat before 2. See references for individual vulnerability details...

CLEANSTART-2026-SP51239 Security fixes for ghsa-72hv-8253-57qq applied in versions: 3.8.6-r0

Security vulnerability affects the apache-zookeeper package. This issue is resolved in later releases. See references for vulnerability details...

CLEANSTART-2026-PK14475 Security fixes for ghsa-72hv-8253-57qq, ghsa-qqpg-mvqg-649v applied in versions: 3.9.4-r0, 3.9.4-r6

Multiple security vulnerabilities affect the apache-zookeeper package. These issues are resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-QZ57271 Security fixes for ghsa-72hv-8253-57qq applied in versions: 3.6.4-r4

Security vulnerability affects the apache-zookeeper package. This issue is resolved in later releases. See references for vulnerability details...

Oracle HTTP Server (April 2026 CPU)

The versions of HTTP Server installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2026 CPU advisory. - Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware component: Core. Supported versions that are affected are 12.2.1.4.0 and...

PT-2026-34867

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.6 Apache ActiveMQ versions 6.0.0 through 6.2.4 Apache ActiveMQ Broker versions prior to 5.19.6 Apache ActiveMQ Broker versions 6.0.0 through 6.2.4 Apache ActiveMQ All versions prior to 5.19.6 Apache...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: tomcat (UTSA-2026-014270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014270 advisory. Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native and Tomcat's FFM port of the Tomcat Nativ...

Oracle HTTP Server (April 2026 CPU)

The versions of HTTP Server installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2026 CPU advisory. - Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware component: Core. Supported versions that are affected are 12.2.1.4.0 and...

April Linux Patch Wednesday

April Linux Patch Wednesday. In April, Linux vendors addressed 1,035 vulnerabilities - nearly twice as many as in March. One might assume that most of these would again be Linux Kernel vulnerabilities, but that's not the case! Linux Kernel vulnerabilities were relatively few - just 209. The...

EUVD-2026-24637

The HTTP Headers plugin for WordPress is vulnerable to CRLF Injection in all versions up to, and including, 1.19.2. This is due to insufficient sanitization of custom header name and value fields before writing them to the Apache .htaccess file via insertwithmarkers. This makes it possible for...

GHSA-V468-QCJX-R72W Apache HttpClient accepts SCRAM-SHA-256 authentication without proper mutual authentication verification

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

EUVD-2026-24630

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

CVE-2026-2717

The HTTP Headers plugin for WordPress is vulnerable to CRLF Injection in all versions up to, and including, 1.19.2. This is due to insufficient sanitization of custom header name and value fields before writing them to the Apache .htaccess file via insertwithmarkers. This makes it possible for...

CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

UBUNTU-CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...