CVE-2026-95845
High
Description
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 accumulate without bound in memory or persistent storage. Remote clients can use this condition to exhaust broker resources and cause a denial of service. This issue is fixed in version 0.18.1.
SeverityHigh
CVSS7.5
Exploit probability—
ProductMoquette
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- moquette moquette0.18.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| moquette moquette | v < 0.18.1 | 0.18.1 |
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