CVE-2026-45151
Low
Description
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In 0.24.8 and earlier, quic_stream_recv can dereference a null substream pointer when a substream is in reopen state. The code finishes the AIO with error but does not return before locking c->mtx.
SeverityLow
CVSS2.9
Exploit probability—
ProductNanomq
PublishedMay 29, 2026
First seenMay 29, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nanomq nanomq | <= 0.24.8 | — |
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