# CISA Warns of Actively Exploited Apache ActiveMQ Vulnerability Undetected for 13 Years

_Friday, April 17, 2026 at 8:06 AM EDT · Cybersecurity, Policy · Latest · Tier 2 — Notable_

![CISA Warns of Actively Exploited Apache ActiveMQ Vulnerability Undetected for 13 Years — Primary](https://www.bleepstatic.com/content/hl-images/2026/04/17/Apache.jpg)

The U.S. Cybersecurity and Infrastructure Security Agency warned Thursday that a high-severity Apache ActiveMQ vulnerability patched earlier this month is being actively exploited in attacks after going undetected for 13 years. Tracked as CVE-2026-34197, the security flaw allows authenticated threat actors to execute arbitrary code on vulnerable systems.

## Sources

- [BleepingComputer](https://www.bleepingcomputer.com/news/security/cisa-flags-apache-activemq-flaw-as-actively-exploited-in-attacks/)

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Canonical: https://techandbusiness.org/newswire/sfBN4Ws9OSzRgPyZVFNJbK
Retrieved: 2026-04-19T05:12:16.536Z
Publisher: Tech & Business (techandbusiness.org)