Dashboard / CVE-2026-124482

CVE-2026-124482

HIGH
MEDIUM Priority: 0.02 BB Relevance: 64/100
Published: 2026-11-08 Modified: 2026-11-10 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: X
AT: None
VC: High
VI: None
VA: None

Description

OpenEMR before 8.4.0 contains an authorization bypass allowing low-privileged SMART standalone-launch users to bind arbitrary patient UUIDs into the OAuth token context. Attackers with only the patients|demo ACL can select a victim during authorization and read that patient's clinical notes and documents through patient-scoped DocumentReference and Binary FHIR endpoints.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
openemr openemr 0 < 8.4.0
openemr openemr 0 < 8.4.0

References & Advisories (2)

Bug Bounty Relevance

64 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

EPSS — Exploitation Probability

0.22%
Raw Score 0.002210
Percentile 12.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00221
2026-11-12
0.00221
2026-11-10
0.00221
2026-11-09
0.00221

Intelligence Sources

mitre ref →
nvd ref →

External Links