CVE-2026-113873

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/
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

Configurations

No configuration.

History

23 Oct 2026, 19:17

Type	Values Removed	Values Added
References		() https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/ -

22 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-22 18:17

Updated : 2026-10-23 19:17

NVD link : CVE-2026-113873

Mitre link : CVE-2026-113873

CVE.ORG link : CVE-2026-113873

JSON object : View

Products Affected

No product.

CWE

CWE-409

Improper Handling of Highly Compressed Data (Data Amplification)

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