What is GHSA-x9p8-49wf-7xx6?

GHSA-x9p8-49wf-7xx6 is a security advisory published by GitHub Security Advisories with Medium severity. Authentication bypass by spoofing in AMD Secure Encrypted Virtualization (SEV) firmware could...

Which CVE IDs does GHSA-x9p8-49wf-7xx6 cover?

GHSA-x9p8-49wf-7xx6 covers the following CVE IDs: CVE-2026-40668. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-x9p8-49wf-7xx6Medium

Authentication bypass by spoofing in AMD Secure Encrypted Virtualization (SEV) firmware could...

Vendor

GitHub Security Advisories

Published

November 11, 2026

Last Modified

November 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-40668 →

📋 Description

Authentication bypass by spoofing in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to request attestation reports for VMPL 0.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-40668
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
https://github.com/advisories/GHSA-x9p8-49wf-7xx6