---
cve: "CVE-2026-45151"
severity: "LOW"
cvss: 2.9
epss: "23%"
vendor: "nanomq"
kev: false
exploited: false
published: "2026-05-29 20:16:25"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T03:21:39+02:00"
---

# CVE-2026-45151

> 2.9 LOW · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-45151) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_