{"id":"CVE-2026-113873","state":"PUBLISHED","title":"SmileCDR HAPI FHIR improper data decompression","description":"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.","publishedAt":"2026-10-22T17:57:52.475Z","updatedAt":"2026-10-26T12:57:42.150Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"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","source":"cisa-cg"},"assigner":"cisa-cg","products":["SmileCDR HAPI FHIR"],"affected":[{"vendor":"SmileCDR","product":"HAPI FHIR","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":["https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json","https://www.cve.org/CVERecord?id=CVE-2026-113873","https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/"],"weaknesses":["CWE-409"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113873.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113873","state":"PUBLISHED","datePublished":"2026-10-22T17:57:52.475Z","dateUpdated":"2026-10-26T12:57:42.150Z","assignerShortName":"cisa-cg","assignerOrgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateReserved":"2026-10-20T20:11:47.271Z"},"containers":{"cna":{"title":"SmileCDR HAPI FHIR improper data decompression","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"}]}],"references":[{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json","name":"url","tags":["third-party-advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-113873","name":"url","tags":["vdb-entry"]},{"url":"https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/","name":"url","tags":["third-party-advisory"]}],"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"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-409","description":"CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"cisa-cg","orgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateUpdated":"2026-10-26T12:57:42.150Z"},"credits":[{"value":"Abhinav Agarwal","lang":"en"}],"datePublic":"2026-10-22T00:00:00.000Z"}}}}