What is GHSA-gh4j-3cg6-8m5x?

GHSA-gh4j-3cg6-8m5x is a security advisory published by GitHub Security Advisories with High severity. In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

Which CVE IDs does GHSA-gh4j-3cg6-8m5x cover?

GHSA-gh4j-3cg6-8m5x covers the following CVE IDs: CVE-2026-6484. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gh4j-3cg6-8m5x?

GHSA-gh4j-3cg6-8m5x has a CVSS v3 base score of 8.2, published by GitHub Security Advisories.

GHSA-gh4j-3cg6-8m5xHighCVSS 8.2

In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

Vendor

GitHub Security Advisories

Published

August 12, 2026

Last Modified

August 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-6484 →

📋 Description

In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-6484
https://www.insyde.com/security-pledge/sa-2026003
https://github.com/advisories/GHSA-gh4j-3cg6-8m5x