CRITICALCVSS v3.1 9.1Vulnerability
CVE-2026-126473
OpenEMR before 8.4.0 contains OAuth scope canonicalization and containment flaws that allow unauthenticated attackers to obtain unapproved system-level FHIR access. Attackers can register a colon-form system:Patient.read client that bypasses approval, then request unregistered system/Patient.write scope to read, modify, and create Patient records.
Properties
- Epss score
- 0.00461
- First seen
- 2026-11-13T18:41:27+00:00
- Cvss score
- 9.1
- Last seen
- 2026-11-13T18:41:27+00:00
- Euvd assigner
- VulnCheck
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Src batch id
- euvd-20261113T193402Z-3d96b0
- Source url
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-124951
- Score
- 9.1
- Euvd base score version
- 4.0
- Fetched at
- 2026-11-13T19:34:21+00:00
- Euvd vendor
- OpenEMR
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Euvd base score
- 9.3
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Content hash
- 9145805a5a6b71dd571f7f9e7462cb5df33cee86f3eb57d7e70faad8c29ff969
- Published at
- 2026-11-13T10:17:56.590
- Euvd updated
- 2026-11-13T18:41:27+00:00
- Last modified
- 2026-11-13T19:19:24.003
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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