What is GHSA-x89v-v3m8-qmhg?

GHSA-x89v-v3m8-qmhg is a security advisory published by GitHub Security Advisories with High severity. In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security...

Which CVE IDs does GHSA-x89v-v3m8-qmhg cover?

GHSA-x89v-v3m8-qmhg covers the following CVE IDs: CVE-2026-66279. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-x89v-v3m8-qmhgHigh

In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security...

Vendor

GitHub Security Advisories

Published

October 22, 2026

Last Modified

October 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-66279 →

📋 Description

In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-66279
https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000588.md
https://github.com/SiliconLabsSoftware/sisdk-release
https://github.com/advisories/GHSA-x89v-v3m8-qmhg