{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126322", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-10T20:18:40.992Z", "datePublished": "2026-11-13T09:36:10.583Z", "dateUpdated": "2026-11-13T09:36:10.583Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:36:10.583Z"}, "datePublic": "2026-08-18T00:00:00.000Z", "title": "OpenEMR before 8.3.0 Unsanitized Deserialization via patient_match_dialog.php", "descriptions": [{"lang": "en", "value": "OpenEMR before 8.3.0 contains an unsanitized deserialization vulnerability that allows authenticated attackers to control patient-matching criteria by supplying a crafted serialized key parameter. Attackers can send serialized arrays to interface/orders/patient_match_dialog.php to enumerate patients or force matches that associate lab orders with the wrong patient."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Deserialization of Untrusted Data", "cweId": "CWE-502", "type": "CWE"}]}], "affected": [{"vendor": "openemr", "product": "openemr", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "8.3.0"}, {"version": "8.3.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*", "versionEndExcluding": "8.3.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/openemr/openemr/security/advisories/GHSA-r52j-mq9p-mh85", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-r52j-mq9p-mh85)"}, {"name": "VulnCheck Advisory: OpenEMR before 8.3.0 Unsanitized Deserialization via patient_match_dialog.php", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openemr-before-8.3.0-unsanitized-deserialization-via-patient-match-dialog-php"}], "credits": [{"lang": "en", "value": "nedlir", "type": "reporter"}, {"lang": "en", "value": "kojiromike", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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