CVE-2025-62723
Medium
Description
FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (eventual) session expiration. Version 1.23.2 fixes the issue.
SeverityMedium
CVSS4.3
Exploit probability—
ProductFlashmq
PublishedOct 24, 2025
First seenOct 24, 2025
Weakness typeCWE-772CWE-772
How to fix
Update
- flashmq flashmq1.23.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| flashmq flashmq | v < 1.23.2 | 1.23.2 |
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