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CVE-2026-87742

HIGH CVSS: 7.5 Published: 2026-09-17 Modified: 2026-09-18

Description

A flaw was found in quarkus-websockets-next. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by streaming messages over a single connection faster than the application can process them. Due to unbounded message buffering and a lack of read backpressure, this rapidly exhausts heap space, leading to a java.lang.OutOfMemoryError that crashes the Java Virtual Machine (JVM).

Affected Platforms

Unknown

Weakness Type

CWE-770

References