CVE-2026-49363

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

CVE-2026-49363

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBETOPOLOGY request prior to authentication. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are...

CVE-2026-49363

Apache ActiveMQ Artemis is vulnerable to a pre-authentication topology disclosure vulnerability due to a missing authentication check in the SUBSCRIBE_TOPOLOGY_V2 handler within CoreProtocolManager.LocalChannelHandler.handlePacket() . An unauthenticated attacker can send a single 5-byte packet vi...

CVE-2026-49363 Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBETOPOLOGY request prior to authentication. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are...

CVE-2026-49363 Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBETOPOLOGY request prior to authentication. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are...

Linux Distros Unpatched Vulnerability : CVE-2026-74761

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof...

Authorization Bypass Through User-Controlled Key

Overview org.apache.activemq:activemq-all is a package that puts together an ActiveMQ jar bundle. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through TopicRegion.removeSubscription in...

Authorization Bypass Through User-Controlled Key

Overview org.apache.activemq:apache-activemq is a Message Broker and Client implementations. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through TopicRegion.removeSubscription in...

Authorization Bypass Through User-Controlled Key

Overview org.apache.activemq:activemq-broker is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through TopicRegion.removeSubscription in...

CVE-2026-74761

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2;...

CVE-2026-74761 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2;...

EUVD-2026-74829

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2;...

CVE-2026-74761

Improper input validation in TopicRegion allows an authenticated client to spoof clientId when removing a durable topic subscription. This flaw in Apache ActiveMQ , Apache ActiveMQ Broker , and Apache ActiveMQ All (all platforms) can enable the unauthorized removal of other users' durable topic s...

CVE-2026-74761 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2;...

CVE-2026-11821

The Eventin – Event Calendar, Event Registration, Tickets & Booking AI Powered plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.1.17. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it...

CVE-2026-74761: Improper Input Validation

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2;...

PT-2026-88926

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.11 Apache ActiveMQ versions 6.0.0 through 6.3.1 Apache ActiveMQ Broker versions prior to 5.19.11 Apache ActiveMQ Broker versions 6.0.0 through 6.3.1 Apache ActiveMQ All versions prior to 5.19.11 Apache...

CVE-2026-73316

XenForo before 2.3.13 contains a payment replay vulnerability in the PayPal REST payment provider that allows attackers to process the same webhook payload multiple times by exploiting a missing duplicate transaction ID check. Attackers can replay a valid webhook payload to trigger duplicate...

CVE-2026-73316 XenForo < 2.3.13 Payment Replay via PayPal REST Payment Provider

XenForo before 2.3.13 contains a payment replay vulnerability in the PayPal REST payment provider that allows attackers to process the same webhook payload multiple times by exploiting a missing duplicate transaction ID check. Attackers can replay a valid webhook payload to trigger duplicate...

CVE-2026-73316

XenForo before 2.3.13 is affected by a payment replay vulnerability in the PayPal REST payment provider . The root cause is a missing duplicate transaction ID check , which allows an attacker to replay a valid webhook payload multiple times. This triggers duplicate payment events , resulting in r...