What is GHSA-65fw-c8v3-6jhq?

GHSA-65fw-c8v3-6jhq is a security advisory published by GitHub Security Advisories with Medium severity. OpenEMR before 8.5.0 contains an uncontrolled resource consumption vulnerability that allows...

Which CVE IDs does GHSA-65fw-c8v3-6jhq cover?

GHSA-65fw-c8v3-6jhq covers the following CVE IDs: CVE-2026-126421. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-65fw-c8v3-6jhq?

GHSA-65fw-c8v3-6jhq has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-65fw-c8v3-6jhqMediumCVSS 4.3

OpenEMR before 8.5.0 contains an uncontrolled resource consumption vulnerability that allows...

Vendor

GitHub Security Advisories

Published

November 13, 2026

Last Modified

November 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-126421 →

📋 Description

OpenEMR before 8.5.0 contains an uncontrolled resource consumption vulnerability that allows authenticated users with patients/med access to exhaust PHP workers via an unbounded count parameter. Attackers can send print_labels requests to labs_ajax.php with huge counts, forcing mPDF page and barcode generation that makes OpenEMR unavailable.

🔗 References (4)

https://github.com/openemr/openemr/security/advisories/GHSA-3j3r-w7q7-h9fj
https://nvd.nist.gov/vuln/detail/CVE-2026-126421
https://www.vulncheck.com/advisories/openemr-before-8.5.0-denial-of-service-via-labs-ajax-php-label-count
https://github.com/advisories/GHSA-65fw-c8v3-6jhq