High 7.5HealthcarePublished Oct 22, 2026

CVE-2026-113873SmileCDR HAPI FHIR improper data decompression

Updated under an hour ago (Oct 28, 2026, 6:50 PM ET)

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It affects SmileCDR HAPI FHIR. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.52%, higher than 44% of scored CVEs.

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Every CVE for SmileCDR HAPI FHIR

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-409
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.52% (percentile 44)
Assigned by: cisa-cg
NVD analysis: Awaiting Analysis
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 22, 2026

Affected products

Affected products

SmileCDR HAPI FHIR smilecdr:hapi_fhir (from the name)	all versions	CNA record

References

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json	third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2026-113873	vdb-entry
https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.