Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since April 16, 2026.
CVE-2026-34197
Apache ActiveMQ Improper Input Validation Vulnerability
Added to KEV April 16, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-34197
- CWE
- CWE-20CWE-94
- Affected products
- ActiveMQ · Apache ActiveMQ · Apache
What happened
Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection.
What it means for your business
Apache ActiveMQ is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-34197). Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection. CISA remediation due date: 2026-04-30. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: April 30, 2026
Sources
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