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CVE-2026-95846

Moquette publishes Last-Will messages without enforcing write authorization PUBLISHED

Description (CNA)

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 topic that the client is not permitted to write and cause the broker to publish the unauthorized message when the client disconnects unexpectedly. This issue allows unauthorized message injection into restricted topics. This issue is fixed in version 0.18.1.

Affected (CNA)

Vendor / productVersions
moquette-io / moquetteaffected < 0.18.1

CWE

CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.