OpenEMR up to 8.4.x Billing diagnosis_full.php id improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00+

Summaryinfo

A vulnerability was found in OpenEMR up to 8.4.x. It has been classified as critical. This issue affects some unknown processing of the file diagnosis_full.php of the component Billing. The manipulation of the argument ID leads to improper authorization. This vulnerability is uniquely identified as CVE-2026-126452. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in OpenEMR up to 8.4.x and classified as critical. This issue affects an unknown code block of the file diagnosis_full.php of the component Billing. The manipulation of the argument id with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OpenEMR before 8.5.0 contains a missing authorization vulnerability in diagnosis_full.php that allows authenticated users to delete or clear any billing record by ID. Attackers can supply a target billing ID in the id parameter with delete or clear mode to deactivate other patients' charges and corrupt financial records.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-126452 since 11/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

By approaching the search of inurl:diagnosis_full.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 8.5.0 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenEMR 8.5.0

Timelineinfo

11/10/2026 CVE reserved
11/13/2026 +3 days Advisory disclosed
11/13/2026 +0 days VulDB entry created
11/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CNA: VulnCheck
CVE: CVE-2026-126452 (🔒)

GCVE (CVE): GCVE-0-2026-126452
GCVE (VulDB): GCVE-100-436847

Entryinfo

Created: 11/13/2026 11:43
Changes: 11/13/2026 11:43 (78)
Complete: 🔍
Cache ID: 216::103

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