RCE in Apache Activemq
CVE-2026-40466
Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. An authenticated attacker may bypass the fix in CVE-2026-34197 by adding…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Activemq
- Apache Activemq_broker
- Apache Software Foundation Activemq — versions 0, 6.0.0
- Apache Software Foundation Activemq All — versions 0, 6.0.0
- Apache Software Foundation Activemq Broker — versions 0, 6.0.0
Weakness classification (CWE)
References
- security@apache.org (vendor-advisory, Not Applicable)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-40466?
- CVE-2026-40466 is a high-severity vulnerability in Apache Activemq, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-04-24.
- How severe is CVE-2026-40466?
- High severity. CVSS v3 base score is 8.8 out of 10.