CVE-2026-124449 | BDVDB-2026-402005 Detail

openemropenemr

Description#

OpenEMR before 8.4.0 contains a missing authorization vulnerability in FHIR Media/:uuid and QuestionnaireResponse read routes that skip ACL checks. Non-patient API tokens lacking OpenEMR ACLs can request resources by uuid, bypassing compartment filtering to read any patient's documents and questionnaire responses.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-639 Authorization Bypass Through User-Controlled Key

References#

Exploit#

No public exploit known

History#

Version 12026-11-08Record published in the CVE List.

Published

Published: 2026-11-08
Last modified: 2026-11-08

Vendor information

Vendor: openemr
Product: openemr

All openemr vulnerabilities

Score

6.5 Medium

EPSS

Not available

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Direct Object Reference

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 8.4.0
Fixed
8.4.0
Vulnerable
Not stated
Fixed
8.4.0

Scoring System

CVSS v4.0

7.1 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).