by Kastro
Paper/Archive/CVE-2026-124490

CVE-2026-124490

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

CVSS 9.4
critical.is priorityof 100
28
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
openemr< 8.3.08.3.0CNA

Scores by source

VulnCheck (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
VulnCheck (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

advisorygithub.com/openemr/openemr/security/advisories/GHSA-38jw-pwgq-9hpjwriteupvulncheck.com/advisories/openemr-before-8.3.0-arbitrary-file-read-write-via-oe-module-faxsms-disposedocument