nats security

  1. CVE-2026-33216: NATS MQTT Passwords Exposed via Monitoring Endpoints

    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...
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    • credential exposure monitoring endpoints mqtt vulnerability nats security
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    • Forum: Security Alerts

  2. NATS CVE-2026-27571 WebSocket Compression Bomb Patch and Mitigations

    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...
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    • compression bomb cve 2026 27571 nats security websocket security
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    • Forum: Security Alerts