6000+ Apache ActiveMQ Instances Vulnerable to CVE-2026-34197 Exposed Online
ID: 48c96b15-fd22-53b4-890a-1486c11fcd95
STIX ID: report--48c96b15-fd22-53b4-890a-1486c11fcd95
Feed Name: cybersecurityNews.com
Threat Score
Shadowserver reports that 6,364 internet-exposed Apache ActiveMQ instances were vulnerable to CVE-2026-34197 based on April 19, 2026 scans; CISA has added the flaw to its Known Exploited Vulnerabilities (KEV) catalog. The advisory warns of the high risk given ActiveMQ's role as a message broker, urges organizations to identify and patch affected instances, restrict public access, review logs, and monitor for exploitation attempts.
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