OpenEMR up to 8.3.x ESign Router library/ESign/Router.php module file inclusion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00+

Summaryinfo

A vulnerability categorized as critical has been discovered in OpenEMR up to 8.3.x. This issue affects some unknown processing of the file library/ESign/Router.php of the component ESign Router. Executing a manipulation of the argument module can lead to file inclusion. This vulnerability is tracked as CVE-2026-124467. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenEMR up to 8.3.x and classified as critical. This vulnerability affects an unknown functionality of the file library/ESign/Router.php of the component ESign Router. The manipulation of the argument module with an unknown input leads to a file inclusion vulnerability. The CWE definition for the vulnerability is CWE-73. The product allows user input to control or influence paths or file names that are used in filesystem operations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenEMR before 8.4.0 contains a local file inclusion in the ESign router (library/ESign/Router.php), which passes the unsanitized module parameter into a require_once of '<module>/Controller.php', and the fax module's faxProcessUploads writes attacker-named files to a predictable temp path without extension checks. Authenticated attackers can upload a PHP file named Controller.php, then request interface/esign/index.php with a traversing module parameter to include it and execute arbitrary code.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-124467 since 11/08/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

By approaching the search of inurl:library/ESign/Router.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 8.4.0 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 7.6
VulDB Meta Temp Score: 7.4

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

CNA Base Score: 8.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: File inclusion
CWE: CWE-73
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 8.4.0

Timelineinfo

11/08/2026 Advisory disclosed
11/08/2026 +0 days CVE reserved
11/08/2026 +0 days VulDB entry created
11/08/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CNA: VulnCheck
CVE: CVE-2026-124467 (🔒)

GCVE (CVE): GCVE-0-2026-124467
GCVE (VulDB): GCVE-100-432832

Entryinfo

Created: 11/08/2026 14:43
Changes: 11/08/2026 14:43 (78)
Complete: 🔍
Cache ID: 216::103

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