NATS users running MQTT workloads have a fresh security issue to track: CVE-2026-33216, a password-disclosure flaw that can expose MQTT credentials through monitoring endpoints. The vulnerability affects nats-server builds before 2.11.15 and 2.12.6, and it matters because the leak is not a...
NATS server’s WebSocket handler contains a pre-authentication memory exhaustion vulnerability that can be triggered by a crafted compressed frame — a “compression bomb” — allowing an unauthenticated attacker to force excessive memory allocation and potentially crash the server; the issue is...