Medium severity · published Oct 22, 2026
CVE-2026-113876
SmileCDR HAPI FHIR unauthorized read
New
4.3
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HF
HAPI FHIR · SmileCDR
before September 2026 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113876
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113876
abhinavagarwal07.github.io
https://abhinavagarwal07.github.io/posts/hapi-fhir-authorization-findings/
raw.githubusercontent.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-294-01.json
www.cve.org
https://www.cve.org/CVERecord?id=CVE-2026-113876
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