Summary
| Vulnerability Name | Remote Code Execution in Apache ActiveMQ Classic (CVE-2026-34197) |
| Released on | April 08, 2026 |
| Affected Component | Apache ActiveMQ |
| Affected Version | 5.x < 5.19.4 6.0.0 ≤ 6.x < 6.2.3 |
| Vulnerability Type | Code execution |
| Exploitation Condition | 1. User authentication: required. 2. Precondition: default configurations. 3. Trigger mode: remote. |
| Impact | Exploitation difficulty: difficult. Attackers can exploit this vulnerability to execute arbitrary code only after authorization. Severity: critical. This vulnerability may result in remote code execution. |
| Official Solution | Available |
About the Vulnerability
Component Introduction
Apache ActiveMQ is the most popular open-source, multi-protocol, Java-based message broker. It supports industry-standard protocols, which enable users to take advantage of a variety of client options across a wide range of languages and platforms, including JavaScript, C, C++, Python, .NET, etc.
Vulnerability Description
On April 08, 2026, Sangfor FarSight Labs received notification of the remote code execution vulnerability in Apache ActiveMQ (CVE-2026-34197), classified as critical in threat level.
Specifically, Apache ActiveMQ Classic contains a remote code execution vulnerability. Attackers can use ActiveMQ's Jolokia API to invoke management operations, tricking the broker into retrieving remote configuration files and executing arbitrary operating system commands. For ActiveMQ versions from 6.0.0 and 6.1.1, the exploitation of this vulnerability requires no authentication due to its combination with CVE-2024-32114. For other affected versions, valid authentication credentials are required to exploit this vulnerability.
Affected Versions
The following Apache ActiveMQ versions are affected:
5.x < 5.19.4
6.0.0 ≤ 6.x < 6.2.3
Remediation Solutions
Official Solutions
The latest version has been officially released to fix the vulnerability. Affected users are advised to update Apache ActiveMQ to the latest version.
For Apache ActiveMQ 5.x, update it to 5.19.4 or later.
For Apache ActiveMQ 6.x, update it to 6.2.3 or later.
Download link: https://activemq.apache.org/components/classic/download/
Temporary Solutions
- Disable unused functional modules to reduce attack entry points.
- Follow the principle of least privilege to strictly control the scope of permissions for sensitive operations.
- Do not expose services to the Internet unless necessary, to limit the access sources to trusted ranges.
- Regularly update the system and components to secure versions so that known vulnerabilities can be patched at the earliest opportunity.
Sangfor Solutions
Proactive Vulnerability Detection
The following Sangfor services can proactively detect CVE-2026-34197 vulnerabilities and quickly identify vulnerability risks in batches in business scenarios:
- Athena Managed Detection and Response (MDR): The corresponding detection solution will be released on May 30, 2026. The rule ID is SF-2026-01010.
- Athena Extended Detection and Response (XDR): The corresponding detection solution will be released on April 12, 2026. The rule ID is SF-2026-00871.
Vulnerability Monitoring
The following Sangfor services support CVE-2026-34197 vulnerability monitoring, and can quickly identify affected assets and the impact scope in business scenarios in real time through traffic collection:
- Athena Network Detection and Response (NDR): The corresponding monitoring solution will be released on April 10, 2026. The rule ID is 11228010.
- Athena MDR: The corresponding monitoring solution will be released on April 10, 2026. The rule ID is 11228010. In this case, make sure that Athena MDR is integrated with Athena NDR.
- Athena XDR: The corresponding monitoring solution will be released on April 10, 2026. The rule ID is 11228010.
- Sangfor Traffic Monitoring GPT: Sangfor Traffic Monitoring GPT can detect attacks and threats targeting this vulnerability based on its understanding of attacks and code, without the need to configure rules.
Vulnerability Prevention
The following Sangfor services can effectively block CVE-2026-34197 exploits:
- Athena Next-Generation Firewall (NGFW): The corresponding prevention solution will be released on April 10, 2026. The rule ID is 11228010.
- Sangfor Web Application Firewall (WAF): The corresponding prevention solution will be released on April 10, 2026. The rule ID is 11228010.
- Athena MDR: The corresponding prevention solution will be released on April 10, 2026. The rule ID is 11228010. In this case, make sure that Athena MDR is integrated with Athena NGFW.
- Athena XDR: The corresponding prevention solution will be released on April 10, 2026. The rule ID is 11228010. In this case, make sure that Athena XDR is integrated with Athena NGFW.
Timeline
On April 08, 2026, Sangfor FarSight Labs received notification of the remote code execution vulnerability in Apache ActiveMQ Classic (CVE-2026-34197).
On April 08, 2026, Sangfor FarSight Labs released a vulnerability alert.
Reference
https://www.openwall.com/lists/oss-security/2026/04/06/3
Learn More
Sangfor FarSight Labs researches the latest cyber threats and unknown zero-day vulnerabilities, alerting customers to potential dangers to their organizations, and providing real-time solutions with actionable intelligence. Sangfor FarSight Labs works with other security vendors and the security community at large to identify and verify global cyber threats, providing fast and easy protection for customers.
