CVE-2026-25146
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Lifecycle Timeline
4Description
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.
Analysis
Information disclosure in OpenEMR 5.0.2 to before 8.0.0 exposes sensitive data. PoC and patch available.
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Remediation
Within 24 hours: Identify all OpenEMR instances and their versions; if running 5.0.2-7.x, immediately rotate the gateway_api_key and review access logs for unauthorized API activity. Within 7 days: Upgrade all affected systems to OpenEMR 8.0.0 or later and regenerate all API credentials. …
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External POC / Exploit Code
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