Missing Authentication For Critical Function

Apache ActiveMQ Artemis is vulnerable to Missing Authentication for Critical Function. The vulnerability is due to missing authentication checks in the Core protocol federation mechanism, allowing an unauthenticated attacker to force the broker to establish an outbound connection to a rogue broke...

Linux Distros Unpatched Vulnerability : CVE-2026-27446

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Missing Authentication for Critical Function CWE-306 vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Co...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the Core protocol implementation. A malicious broker can force a broker to establish an outbound Core federation connection to it, and use it to inject or exfiltrate messages from the...

CVE-2026-27446

Missing Authentication for Critical Function CWE-306 vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This cou...

UBUNTU-CVE-2026-27446

Missing Authentication for Critical Function CWE-306 vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This cou...

CVE-2026-27446

CVE-2026-27446 affects Apache Artemis and Apache ActiveMQ Artemis. The vulnerability enables an unauthenticated remote attacker to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker, potentially allowing message injection into any queu...

PT-2026-22892

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.51.0 Apache ActiveMQ Artemis versions 2.11.0 through 2.44.0 Description A missing authentication check for a critical function exists in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated...

Incorrect Authorization

org.apache.pulsar:pulsar-broker is vulnerable to Incorrect Authorization. An authenticated users is able to send messages to any topic utilizing the broker's admin role by using the library's Rest producer. There are two risks for the impacted users: an attacker might send useless messages to any...

Slack: CSS Injection to disable app & potential message exfil

Tested on Slack for MacOS v4.0.2 - I've marked this as code injection since there was no "css injection" 1. In the app go to Preferences - Sidebar 2. Enable custom theming 3. Set the column BG to FFFFFF; html display:none; 4. The app will no-longer render this survives re-installs If this theme...