What is GHSA-v47p-q5xc-j34w?

GHSA-v47p-q5xc-j34w is a security advisory published by GitHub Security Advisories with High severity. A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged...

Which CVE IDs does GHSA-v47p-q5xc-j34w cover?

GHSA-v47p-q5xc-j34w covers the following CVE IDs: CVE-2026-2336. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v47p-q5xc-j34w?

GHSA-v47p-q5xc-j34w has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-v47p-q5xc-j34wHighCVSS 8.8

A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged...

Vendor

GitHub Security Advisories

Published

April 16, 2026

Last Modified

August 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-2336 →

📋 Description

A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged user to recover a shared per-device cookie secret from their own webstax_auth session cookie and forge a new cookie with administrative privileges.This issue affects IStaX before 2026.03.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-2336
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/istax-privilege-escalation-via-weak-cookie-authentication
https://github.com/advisories/GHSA-v47p-q5xc-j34w