What’s Vulnerable › Vulnerabilities

CVE-2026-25146: OpenEMR's payments gateway_api_key secret rendered into client JS code

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-03 · updated 2026-06-17
• Weakness: CWE-200

Description

OpenEMR is a free and open source electronic health records and medical practice management application. From 5.0.2 to before 8.0.0, there are (at least) two paths where the gateway_api_key secret value is rendered to the client in plaintext. These secret keys being leaked could result in arbitrary money movement or broad account takeover of payment gateway APIs. This vulnerability is fixed in 8.0.0.

Affected products

• openemr: from 5.0.2 before 8.0.0 — fixed in 8.0.0

How to fix

Upgrade to a fixed version: openemr 8.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/openemr/openemr/blob/6a4e18c5ec73e0c755f6f65b28a9652aded1a58b/interface/patient_file/front_payment.php#L765
• https://github.com/openemr/openemr/blob/6a4e18c5ec73e0c755f6f65b28a9652aded1a58b/portal/portal_payment.php#L537
• https://github.com/openemr/openemr/commit/fe6341496dc82d5b4f5a3f35891bb2e2481f3b25
• https://github.com/openemr/openemr/security/advisories/GHSA-2hq8-wc73-jvvq

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