{"id":"EM-20261108-E0J3","url":"https://cyber.eventmonitor.net/incident/EM-20261108-E0J3/openemr-vulnerability-cve-2026-124481/","type":"cve","title":"OpenEMR Vulnerability (CVE-2026-124481)","subtitle":"CVE-2026-124481","subject":"CVE-2026-124481","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-08T15:31:29.000Z","firstSignal":"2026-11-08T14:18:17.300Z","lastSignal":"2026-11-08T15:31:29.000Z","updated":"2026-11-08T16:25:20.514Z","revision":1,"life":[{"status":"Born","at":"2026-11-08T15:31:29.000Z","why":"second independent source: C29 CIRCL Vulnerability-Lookup"},{"status":"Developing","at":"2026-11-08T15:31:29.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-08T14:18:17.300Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-08T15:31:29.000Z","what":"Born: second source, C29 CIRCL Vulnerability-Lookup. Page EM-20261108-E0J3 created."}],"stages":[{"name":"Disclosed","at":"2026-11-08T14:18:17.300Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-08T14:18:17.300Z","detail":"CVSS 7.1"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-08T14:18:17.300Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-124481 (CVSS 7.1)","text":"OpenEMR before 8.4.0 contains an improper authorization vulnerability in Rainforest patient portal payments that trusts browser-supplied patientId, encounter, and amount values instead of deriving them from the portal session. Authenticated portal patients can tamper with JSON sent to portal_payment.rainforest.php so the payin.authorized webhook writes forged ar_activity credits to other patients' encounters exceeding the amount actually paid.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124481"},{"at":"2026-11-08T15:31:29.000Z","source":"C29","sourceName":"CIRCL Vulnerability-Lookup","role":"Database","severity":2,"title":"GHSA-r67g-7xmv-5q36 / CVE-2026-124481","text":"OpenEMR before 8.4.0 contains an improper authorization vulnerability in Rainforest patient portal payments that trusts browser-supplied patientId, encounter, and amount values instead of deriving them from the portal session. Authenticated portal patients can tamper with JSON sent to…","url":"https://vulnerability.circl.lu/vuln/GHSA-r67g-7xmv-5q36"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-08T14:18:17.300","score":7.1,"severity":"HIGH","desc":"OpenEMR before 8.4.0 contains an improper authorization vulnerability in Rainforest patient portal payments that trusts browser-supplied patientId, encounter, and amount values instead of deriving them from the portal session. Authenticated portal patients can tamper with JSON sent to…","product":"","seen":1794155120514},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}