{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2026-113873", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-10-20T20:11:47.271Z", "datePublished": "2026-10-22T17:57:52.475Z", "dateUpdated": "2026-10-26T12:57:42.150Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "SmileCDR HAPI FHIR does not properly handle highly compressed data, allowing an unauthenticated attacker to send compressed payloads that exhaust server heap or crash certain services when decompressed."}], "affected": [{"vendor": "SmileCDR", "product": "HAPI FHIR", "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "*", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)", "lang": "en", "type": "CWE", "cweId": "CWE-409"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T16:13:10.943527Z", "id": "CVE-2026-113873", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "SmileCDR HAPI FHIR improper data decompression", "references": [{"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json", "tags": ["third-party-advisory"]}, {"name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2026-113873", "tags": ["vdb-entry"]}, {"name": "url", "url": "https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/", "tags": ["third-party-advisory"]}], "credits": [{"value": "Abhinav Agarwal", "lang": "en"}], "datePublic": "2026-10-22T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-10-26T12:57:42.150Z"}}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "HAPI FHIR", "vendor": "SmileCDR", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9119a7d8-5eab-497f-8521-727c672e3725"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SmileCDR HAPI FHIR does not properly handle highly compressed data, allowing an unauthenticated attacker to send compressed payloads that exhaust server heap or crash certain services when decompressed."}], "id": "CVE-2026-113873", "lastModified": "2026-10-23T19:17:43.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary"}], "ssvcV203": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "ssvcData": {"id": "CVE-2026-113873", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-06T16:13:10.943527Z", "version": "2.0.3"}}]}, "published": "2026-10-22T18:17:27.077", "references": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "url": "https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/"}, {"source": "9119a7d8-5eab-497f-8521-727c672e3725", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json"}, {"source": "9119a7d8-5eab-497f-8521-727c672e3725", "url": "https://www.cve.org/CVERecord?id=CVE-2026-113873"}], "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-409"}], "source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary"}]}

{}