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CVE-2026-47663

Pathling: Typed CRUD/search/batch providers can lead to server-wide PHI exfiltration and cross-resource mutation

8.7 High

Pathling is a set of tools that make it easier to use FHIR and clinical terminology within health data analytics. Prior to version 2.0.0 of Pathling Server, Pathling's typed CRUD/search/batch FHIR surface allows an authenticated caller with only coarse operation authorities to act on attacker-chosen resource families because those entrypoints do not consistently enforce the documented per-resource read and write authorities. The documented authorization model requires an operation authority (e.g. pathling:search) to be paired with the matching per-resource read or write authority (e.g. pathling:read:Patient). Delete and batch are documented to require write authority for all referenced resource types. However, typed search, update, and related handlers are annotated only with @OperationAccess(...) and act on the provider-selected resource type without checking the corresponding per-resource authority. This is fixed in Pathling Server 2.0.0.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.41%Up 0.2 points since Aug 8, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.7

Pathling: Typed CRUD/search/batch providers can lead to server-wide PHI exfiltration and cross-resource mutation

Pathling is a set of tools that make it easier to use FHIR and clinical terminology within health data analytics. Prior to version 2.0.0 of Pathling Server, Pathling's typed CRUD/search/batch FHIR surface allows an authenticated caller with only coarse operation authorities to act on attacker-chosen resource families because those entrypoints do not consistently enforce the documented per-resource read and write authorities. The documented authorization model requires an operation authority (e.g. pathling:search) to be paired with the matching per-resource read or write authority (e.g. pathling:read:Patient). Delete and batch are documented to require write authority for all referenced resource types. However, typed search, update, and related handlers are annotated only with @OperationAccess(...) and act on the provider-selected resource type without checking the corresponding per-resource authority. This is fixed in Pathling Server 2.0.0.

Record
CVE-2026-47663
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-285
Updated
2026-11-02
EUVDEUVD-2026-54649 8.7

Pathling is a set of tools that make it easier to use FHIR and clinical terminology within health data analytics. Prior to version 2.0.0 of Pathling Server, Pathling's typed CRUD/search/batch FHIR surface allows an authenticated caller with only coarse operation authorities to act on attacker-chosen resource families because those entrypoints do not consistently enforce the documented per-resource read and write authorities. The documented authorization model requires an operation authority (e.g. pathling:search) to be paired with the matching per-resource read or write authority (e.g. pathling:read:Patient). Delete and batch are documented to require write authority for all referenced resource types. However, typed search, update, and related handlers are annotated only with @OperationAccess(...) and act on the provider-selected resource type without checking the corresponding per-resource authority. This is fixed in Pathling Server 2.0.0.

Record
EUVD-2026-54649
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
NVD 8.7

Pathling is a set of tools that make it easier to use FHIR and clinical terminology within health data analytics. Prior to version 2.0.0 of Pathling Server, Pathling's typed CRUD/search/batch FHIR surface allows an authenticated caller with only coarse operation authorities to act on attacker-chosen resource families because those entrypoints do not consistently enforce the documented per-resource read and write authorities. The documented authorization model requires an operation authority (e.g. pathling:search) to be paired with the matching per-resource read or write authority (e.g. pathling:read:Patient). Delete and batch are documented to require write authority for all referenced resource types. However, typed search, update, and related handlers are annotated only with @OperationAccess(...) and act on the provider-selected resource type without checking the corresponding per-resource authority. This is fixed in Pathling Server 2.0.0.

Record
CVE-2026-47663
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-285
Updated
2026-11-02
OSV 8.7

Pathling: Typed CRUD/search/batch providers can lead to server-wide PHI exfiltration and cross-resource mutation

Pathling is a set of tools that make it easier to use FHIR and clinical terminology within health data analytics. Prior to version 2.0.0 of Pathling Server, Pathling's typed CRUD/search/batch FHIR surface allows an authenticated caller with only coarse operation authorities to act on attacker-chosen resource families because those entrypoints do not consistently enforce the documented per-resource read and write authorities. The documented authorization model requires an operation authority (e.g. pathling:search) to be paired with the matching per-resource read or write authority (e.g. pathling:read:Patient). Delete and batch are documented to require write authority for all referenced resource types. However, typed search, update, and related handlers are annotated only with @OperationAccess(...) and act on the provider-selected resource type without checking the corresponding per-resource authority. This is fixed in Pathling Server 2.0.0.

Record
CVE-2026-47663
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-285
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-47663 is a high vulnerability (CVSS 8.7) in Aehrc Pathling, published August 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.

References

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