cvedb.io
CVE-2026-8686
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-05-15T19:17:05.057 · Last modified 2026-06-17T11:04:17.290

Summary

Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1.

Affected products

freertos — coremqtt

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.