What is GHSA-xj63-9399-3j6q?

GHSA-xj63-9399-3j6q is a security advisory published by GitHub Security Advisories with Medium severity. OpenEMR before 8.4.0 contains a server-side request forgery vulnerability that allows...

Which CVE IDs does GHSA-xj63-9399-3j6q cover?

GHSA-xj63-9399-3j6q covers the following CVE IDs: CVE-2026-124466. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xj63-9399-3j6q?

GHSA-xj63-9399-3j6q has a CVSS v3 base score of 7.2, published by GitHub Security Advisories.

GHSA-xj63-9399-3j6qMediumCVSS 7.2

OpenEMR before 8.4.0 contains a server-side request forgery vulnerability that allows...

Vendor

GitHub Security Advisories

Published

November 8, 2026

Last Modified

November 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-124466 →

📋 Description

OpenEMR before 8.4.0 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server send HTTP requests by registering an OAuth2 client with an unvalidated jwks_uri. Attackers can trigger the fetch via the token introspection endpoint with an unsigned client_assertion to probe internal services and reach cloud metadata endpoints.

🔗 References (4)

https://github.com/openemr/openemr/security/advisories/GHSA-mf6h-xc62-9fg4
https://nvd.nist.gov/vuln/detail/CVE-2026-124466
https://www.vulncheck.com/advisories/openemr-before-8.4.0-unauthenticated-ssrf-via-oauth2-client-jwks-uri
https://github.com/advisories/GHSA-xj63-9399-3j6q