CVE-2026-39304
An attacker can exploit multiple vulnerabilities in Apache ActiveMQ to conduct a denial of service attack or cause unspecified impacts.
CSIRTS triage
- What
- Multiple vulnerabilities in Apache ActiveMQ can be exploited to conduct a denial of service attack or cause unspecified impacts.
- Who is affected
- Deployments of Apache ActiveMQ are affected by these vulnerabilities.
- Urgency
- Remediation is medium urgency due to the medium severity and potential for exploitation.
- Action
- Upgrade to the latest version of Apache ActiveMQ.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.90% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[UPDATE] [medium] Apache ActiveMQ: Multiple vulnerabilitiescert-bund · 2026-07-24
- high[UPDATE] [high] Atlassian products (Bamboo, Bitbucket, Confluence, Crucible, Fisheye, and Jira): Multiple vuln…cert-bund · 2026-07-20
External references
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[](https://www.csirts.com/cve/CVE-2026-39304)