CVE-2026-113876: CWE-863 Incorrect Authorization in SmileCDR HAPI FHIR
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.
CVSS v4.0
Score 5.3medium
Affected software
SmileCDR
HAPI FHIR
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
SmileCDR HAPI FHIR does not properly enforce authorization for conditional create operations. When a user with CREATE but not READ permissions submits a conditional create request with a predicate matching an existing resource, the system returns the contents of that resource. This behavior violates intended access controls and leaks resource data to unauthorized users. The vulnerability is identified as CWE-863 (Incorrect Authorization).
Potential Impact
An attacker with CREATE permission but lacking READ permission can gain unauthorized access to resource contents by exploiting the conditional create functionality. This leads to unauthorized disclosure of sensitive data. There is no indication of privilege escalation beyond data exposure or other impacts.
Mitigation Recommendations
No patch or official fix information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict CREATE permissions carefully and monitor for misuse of conditional create requests.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisa-cg
- Date Reserved
- 2026-10-20T20:12:13.122Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ada56624d27ba8daa709b01
Added to database: 10/22/2026, 18:30:58 UTC
Last enriched: 10/22/2026, 18:45:30 UTC
Last updated: 10/22/2026, 19:31:41 UTC
Views: 6
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