What is GHSA-rxw5-jh43-59h9?

GHSA-rxw5-jh43-59h9 is a security advisory published by GitHub Security Advisories with High severity. Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized...

Which CVE IDs does GHSA-rxw5-jh43-59h9 cover?

GHSA-rxw5-jh43-59h9 covers the following CVE IDs: CVE-2026-56179. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rxw5-jh43-59h9?

GHSA-rxw5-jh43-59h9 has a CVSS v3 base score of 8.3, published by GitHub Security Advisories.

GHSA-rxw5-jh43-59h9HighCVSS 8.3

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-56179 →

📋 Description

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56179
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56179
https://github.com/advisories/GHSA-rxw5-jh43-59h9