GHSA-CQGH-8P3P-MX4M RabbitMQ: JSONReader in the default JSON-RPC mapper never terminates on truncated input, causing DoS

Summary com.rabbitmq.tools.json.JSONReader.read never returns when its input ends inside a quoted string or a // line comment. Both scanners walk the input with StringCharacterIterator.next but only compare against a delimiter, so once the iterator reaches CharacterIterator.DONE ￿ they loop...

CVE-2026-63337

A flaw was found in the RabbitMQ Java client library. A remote attacker, by intercepting or answering a JsonRpcClient request, could provide a malicious javaReturnType value. This unvalidated input is then used in Class.forName, allowing the attacker to load an arbitrary class already present in...