What is GHSA-vvpf-h42q-v96v?

GHSA-vvpf-h42q-v96v is a security advisory published by GitHub Security Advisories with High severity. The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any...

Which CVE IDs does GHSA-vvpf-h42q-v96v cover?

GHSA-vvpf-h42q-v96v covers the following CVE IDs: CVE-2026-49186. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-vvpf-h42q-v96v?

GHSA-vvpf-h42q-v96v has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-vvpf-h42q-v96vHighCVSS 9.8

The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any...

Vendor

GitHub Security Advisories

Published

June 4, 2026

Last Modified

June 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-49186 →

📋 Description

The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-49186
https://community.acer.com/en/kb/articles/19707
https://github.com/advisories/GHSA-vvpf-h42q-v96v