CVE-2026-66909

criticalCVSS 9.8covered by 2 sourcesfirst seen 2026-08-06

An attacker can exploit multiple vulnerabilities in Apache CXF to execute arbitrary code, elevate privileges, conduct a denial of service attack, and bypass security precautions.

CSIRTS triage

What: Multiple vulnerabilities in Apache CXF enable arbitrary code execution, privilege escalation, denial of service, and authentication bypass.
Who is affected: Apache CXF deployments using affected versions.
Urgency: High urgency; multiple classes including remote code execution represent significant exploitation risk.
Action: Apply security patches for CVE-2026-54225, CVE-2026-57817, CVE-2026-57818, CVE-2026-57819, CVE-2026-61466, CVE-2026-63687, CVE-2026-64958, CVE-2026-65432 when released by Apache.

AI-assisted analysis generated from the source advisory — verify against the original.

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Advisory coverage (2)

medium[NEW] [medium] Apache CXF: Multiple Vulnerabilitiescert-bund · 2026-08-06
criticalCVE-2026-66909: Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using native…nvd · 2026-08-06

External references

NVD record for CVE-2026-66909

CVE.org record

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