CVE-2026-63337
An attacker can exploit multiple vulnerabilities in RabbitMQ Java Client to execute code, bypass security mechanisms and cause a denial of service.
CSIRTS triage
- What
- Multiple vulnerabilities in RabbitMQ Java Client enable code execution, security mechanism bypass, and denial of service.
- Who is affected
- Applications using the vulnerable versions of RabbitMQ Java Client.
- Urgency
- Medium severity; provides multiple attack vectors for code execution and bypass attacks.
- Action
- Update RabbitMQ Java Client to the patched version addressing CVE-2026-61634, CVE-2026-63335, CVE-2026-63336, CVE-2026-63337, CVE-2026-69219, and CVE-2026-69220.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-63337
Get an email if CVE-2026-63337 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] RabbitMQ Java Client: Multiple vulnerabilitiescert-bund · 2026-08-19
- unknownCVE-2026-63337: The RabbitMQ Java client library allows Java and JVM-based applications to connect to and inte…nvd · 2026-08-18
- highGHSA-6g32-pxv4-2wfj: RabbitMQ Java client: Unvalidated Class.forName in JSON-RPC ProcedureDescription enables …ghsa · 2026-08-18
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-63337)