Vulnerability in Openemr
CVE-2026-124490
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.
Published .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-38jw-pwgq-9hpj) (vendor-advisory)
- VulnCheck Advisory: OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms disposeDocument (third-party-advisory)
Frequently asked questions
- What is CVE-2026-124490?
- CVE-2026-124490 is a critical-severity vulnerability in Openemr, classified under External Control of File Name or Path. CVSS score: 9.1/10. Published 2026-11-08.
- How severe is CVE-2026-124490?
- Critical severity. CVSS v3 base score is 9.1 out of 10.