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CVE-2026-113873 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian GovernmentCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
https://www.cve.org/CVERecord?id=CVE-2026-113873	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-409	Improper Handling of Highly Compressed Data (Data Amplification)	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

Date	Action	Recorded By
Nov 6, 2026	CVE Modified	CISA-ADP
Oct 23, 2026	CVE Modified	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
Oct 22, 2026	New CVE Received	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government