CVE-2026-124471
Published:November 08, 2026
Updated:November 09, 2026
OpenEMR before 8.3.0 contains a missing authorization vulnerability in interface/billing/sl_eob_invoice.php that allows any authenticated user to read and modify billing data for any encounter. Attackers can iterate the id parameter to read patient names and billing notes, and post payments, adjustments, deletions, or billing notes against any patient's account.
Affected Packages
https://github.com/openemr/openemr.git (GITHUB):
Affected version(s) >=v2_7_2-rc2 <v8_3_0 || >=v3_0_0 <v8_3_0 || >=v4_0_0 <v8_3_0 || >=v5_0_0 <v8_3_0 || >=v6_0_0 <v8_3_0 || >=v7_0_0 <v8_3_0 || >=v8_0_0 <v8_3_0Fix Suggestion:
Update to version v8_3_0Related Resources (4)
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Contact UsCVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key