What is GHSA-j4h7-9cc4-7f3r?

GHSA-j4h7-9cc4-7f3r is a security advisory published by GitHub Security Advisories with Critical severity. A vulnerability has been identified in Opcenter X (All versions \u003c V2604). Affected applications...

Which CVE IDs does GHSA-j4h7-9cc4-7f3r cover?

GHSA-j4h7-9cc4-7f3r covers the following CVE IDs: CVE-2026-56451. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j4h7-9cc4-7f3r?

GHSA-j4h7-9cc4-7f3r has a CVSS v3 base score of 10.0, published by GitHub Security Advisories.

GHSA-j4h7-9cc4-7f3rCriticalCVSS 10.0

A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-56451 →

📋 Description

A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications do not properly validate the algorithm specified in the JSON Web Token (JWT) header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56451
https://cert-portal.siemens.com/productcert/html/ssa-096828.html
https://github.com/advisories/GHSA-j4h7-9cc4-7f3r