CVE-2026-124490 OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms disposeDocument

Critical 9.4 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-124490?

CVE-2026-124490 is a critical vulnerability in openemr, published on 8 Nov 2026.

Official description

OpenEMR before 8.3.0 contains a path traversal vulnerability in the RingCentral RCFaxClient disposeDocument() method of oe-module-faxsms that allows authenticated attackers to read and write arbitrary files via the file_path parameter. Attackers can use action=download to read credentials and source code, or action=setup with base64 content to write web-executable files for code execution.

Weakness: CWE-73

Which versions are affected by CVE-2026-124490?

How do I fix CVE-2026-124490?

No fix has been published for CVE-2026-124490 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-124490 being exploited?

There is no known exploitation of CVE-2026-124490 in the wild and no public exploit code.

Sources

Also known as GHSA-38jw-pwgq-9hpj, GHSA-mgh3-39q6-f7mx.

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