moquette

Disclosed vulnerabilities where the NVD names moquette as an affected vendor, highest CVSS first.

1. CRITICAL 9.6CVE-2026-85724public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, when pattern-based ACL rules are configured, AuthorizationsCollector.canDoOperation substitutes client ID and username values directly into rules containing %c or %u and then treats the result as an …

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2. CRITICAL 9.1CVE-2026-95848public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, when a configured authenticator or authorizator class cannot be loaded, Server.initializeAuthenticator and Server.initializeAuthorizatorPolicy treat the failure as though no custom class was configur…

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3. HIGH 7.5CVE-2026-95847public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, H2PersistentQueue derives a session's message-map name as queue_ plus the client ID and its metadata-map name as queue_ plus the client ID plus _meta. A durable session whose client ID ends in _meta …

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4. HIGH 7.5CVE-2026-95846public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, PostOffice.publishWill publishes a client's Last-Will message without applying the canWrite authorization and reserved-topic checks used for a normal PUBLISH. A client can configure a Will for a topi…

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5. HIGH 7.5CVE-2026-95845public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, the broker does not enforce a maximum length for pending per-session message queues. When a fast publisher sends messages to a slow subscriber whose in-flight window is full, queued messages can accu…

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6. HIGH 7.5CVE-2026-95844public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, Moquette does not limit the depth of topic names and topic filters before processing them through recursive CTrie insertion and matching operations. A remote client can publish or subscribe with a de…

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7. HIGH 7.5CVE-2026-95843public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, PostOffice.subscribe parses a shared-subscription filter through SharedSubscriptionUtils.extractShareName before validating the complete $share/{shareName}/{topicFilter} structure. A remote client ca…

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8. HIGH 7.5CVE-2026-95842public PoC2026-09-23

   Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, SessionEventLoop.run catches only InterruptedException, and SessionEventLoopGroup does not restart a terminated loop. An MQTT command that raises an uncaught exception can terminate an event loop sha…

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