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

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 10 Nov 2026.

VulnCheck KEV lists it since 10 Nov 2026. VulnCheck's own honeypots also recorded exploitation attempts.

How likely is exploitation in the next 30 days?

0.4%

EPSS score, percentile 29.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

9.4 Critical

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Affected

• before 8.3.0

Unaffected 8.3.0

Versions by product

Source: CISA KEV 2026.11.10, as of 10 Nov 2026; VulnCheck KEV, as of 12 Nov 2026; FIRST EPSS, as of 12 Nov 2026; CVE List, as of 12 Nov 2026. About the data.

Description

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

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.

Source: CVE List, as of 12 Nov 2026. About the data.

What to do

Advisories and patches

• GitHub Security Advisory (GHSA-38jw-pwgq-9hpj) (Vendor advisory)

This summary is based on the CVE record as of 12 Nov 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Source: CVE List, as of 12 Nov 2026. About the data.

Timeline