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Incorrect authorization in SmileCDR HAPI FHIR lets tenants cross partitions

Priority LOW 37CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

SmileCDR HAPI FHIR allows an untrusted bundle body to replace a partition identity previously established by a trusted source, and does not enforce storage partition entitlement by default. An attacker authorized for one tenant can read from or write to another tenant's partition, which is an incorrect authorization flaw (CWE-863). The affected range is from 0 before *, and the sources list no fixed version for HAPI FHIR.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

SmileCDR HAPI FHIR allows an untrusted bundle body to replace a partition identity previously established by a trusted source, and does not enforce storage partition entitlement by default. An attacker authorized for one tenant can read from or write to another tenant's partition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00323 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SmileCDRHAPI FHIRall versions—No fix listedCNA
  • HAPI FHIR VendorSmileCDR Affected all versions Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for HAPI FHIR.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-113874
  2. 2026-10-22 Alias added: GHSA-qw7x-rp32-35vw
  3. 2026-10-23 Priority changed: MEDIUM → LOW
  4. 2026-10-23 1 new reference · CNA
  5. 2026-11-06 CISA SSVC decision points changed

References

Advisory 2

Other 1

  • TI-2026-79413 Decompression flaw in SmileCDR HAPI FHIR enables denial of service CVSS 4.0HIGH 8.7
  • TI-2026-79416 Incorrect authorization in SmileCDR HAPI FHIR exposes resource contents CVSS 4.0MEDIUM 5.3
  • TI-2026-79415 Missing authorization in SmileCDR HAPI FHIR allows unauthorized reads CVSS 4.0LOW 2.3

Sources