What is GHSA-9g26-825h-8v6p?

GHSA-9g26-825h-8v6p is a security advisory published by GitHub Security Advisories with High severity. Ech0 before 4.7.3 contains a server-side request forgery vulnerability in the...

Which CVE IDs does GHSA-9g26-825h-8v6p cover?

GHSA-9g26-825h-8v6p covers the following CVE IDs: CVE-2026-79659. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9g26-825h-8v6p?

GHSA-9g26-825h-8v6p has a CVSS v3 base score of 7.7, published by GitHub Security Advisories.

GHSA-9g26-825h-8v6pHighCVSS 7.7

Ech0 before 4.7.3 contains a server-side request forgery vulnerability in the...

Vendor

GitHub Security Advisories

Published

August 25, 2026

Last Modified

August 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-79659 →

📋 Description

Ech0 before 4.7.3 contains a server-side request forgery vulnerability in the fetchPeerConnectInfo function that uses unvalidated HTTP requests instead of safe request methods with URL validation. Authenticated attackers can supply arbitrary URLs to access internal services and cloud metadata endpoints by triggering connection health checks or peer connection operations.

🔗 References (4)

https://github.com/lin-snow/Ech0/security/advisories/GHSA-8mc6-xjpr-h98x
https://nvd.nist.gov/vuln/detail/CVE-2026-79659
https://www.vulncheck.com/advisories/ech0-before-server-side-request-forgery-via-fetchpeerconnectinfo
https://github.com/advisories/GHSA-9g26-825h-8v6p