CVE-2026-124471

HIGH
MEDIUM Priority: 0.02 BB Relevance: 67/100
Published: 2026-11-08 Modified: 2026-11-13 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

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 Software (2)

VendorProductVersion
openemr openemr 0 < 8.3.0
openemr openemr 0 < 8.3.0

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.6 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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

0.26%
Raw Score 0.002580
Percentile 17.6%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00258
2026-11-12
0.00258
2026-11-10
0.00258
2026-11-09
0.00258

Intelligence Sources

mitre ref →
nvd ref →