OpenEMR up to 8.2.x DORN module compendium_install.php uninstall labGuid cross-site request forgery

Summaryinfo

A vulnerability was found in OpenEMR up to 8.2.x. It has been rated as problematic. The impacted element is the function LabCompendiumInstall::uninstall of the file interface/modules/custom_modules/oe-module-dorn/public/compendium_install.php of the component DORN module. The manipulation of the argument labGuid leads to cross-site request forgery. This vulnerability is traded as CVE-2026-104133. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenEMR up to 8.2.x. This issue affects the function LabCompendiumInstall::uninstall of the file interface/modules/custom_modules/oe-module-dorn/public/compendium_install.php of the component DORN module. The manipulation of the argument labGuid with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. The summary by CVE is:

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, interface/modules/custom_modules/oe-module-dorn/public/compendium_install.php checks authentication and CSRF but does not require the admin/users ACL enforced by sibling DORN administration scripts. When the DORN module is enabled, a low-privilege authenticated user can supply a labGuid that causes LabCompendiumInstall::uninstall() to delete detail and result procedure types and deactivate order types before the reinstall step. The action can corrupt lab-ordering configuration and require an administrator to restore the compendium. This issue is fixed in version 8.3.0.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-104133 since 10/01/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

By approaching the search of inurl:interface/modules/custom_modules/oe-module-dorn/public/compendium_install.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 8.3.0 eliminates this vulnerability.

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Productinfo

Type

• Business Process Management Software

Name

• OpenEMR

Version

• 8.0
• 8.1
• 8.2

License

• open-source

Website

• Product: https://github.com/openemr/openemr/

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