HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-106121 — The RabbitMQ Java client library allows Java and JVM-based applications to conne...

·Source: NIST NVD

Updated:

Executive Summary

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.37.0, com.rabbitmq.tools.json.JSONReader.read() fails to terminate when input ends inside a quoted string or a line comment because its string and whitespace scanners do not stop at CharacterIterator.DONE. The default DefaultJsonRpcMapper passes JSON-RPC message bodies

Analysis

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.37.0, com.rabbitmq.tools.json.JSONReader.read() fails to terminate when input ends inside a quoted string or a line comment because its string and whitespace scanners do not stop at CharacterIterator.DONE. The default DefaultJsonRpcMapper passes JSON-RPC message bodies to this parser for JsonRpcServer and client replies. A truncated string causes the parser to append replacement end markers until heap exhaustion, while a line comment without a terminating newline can keep a thread consuming CPU indefinitely, resulting in denial of service. This issue is fixed in version 5.37.0. CVSS Score: 4.9. Published: 2026-10-06T19:17:43.193.

Indicators of Compromise (1)

CVE (1)
CVE-2026-106121
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 6, 2026. Verified by: NIST.

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