What’s Vulnerable › Vulnerabilities

CVE-2026-113876: SmileCDR HAPI FHIR unauthorized read

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-22 · updated 2026-10-26
• Weakness: CWE-863

Description

SmileCDR HAPI FHIR does not correctly check authorization for conditional create actions. A user with CREATE but not READ permissions could submit a conditional create whose predicate matches an existing resource and receive the target resource's contents.

Affected products

• SmileCDR HAPI FHIR: before September 2026 — fixed in September 2026

How to fix

Upgrade to a fixed version: SmileCDR HAPI FHIR September 2026. Check the vendor advisory for mitigations.

References

• 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-2026-113876

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