CVE-2026-124450 OpenEMR before 8.3.0 Arbitrary File Read/Write via disposeDocument

CriticalCVSS 9.3

Published: 2026-11-08 15:15
Updated: 2026-11-08 15:15
Exploit status: No public exploit known

Description

OpenEMR before 8.3.0 contains a broken access control and path traversal vulnerability in the fax/sms module disposeDocument action via an unvalidated file_path parameter. Authenticated low-privilege users can read sqlconf.php to recover database credentials and write arbitrary files as the web user, enabling remote code execution.

Affected products

Product	Affected versions	Fixed in
openemr	< 8.3.0	8.3.0

References

GitHub Security Advisory (GHSA-wf4w-mx2w-j4vv) vendor-advisory
VulnCheck Advisory: OpenEMR before 8.3.0 Arbitrary File Read/Write via disposeDocument third-party-advisory

CVSS v4.0

9.3 Critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:L/SA:N

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: Low
User Interaction: None
Vulnerable System Confidentiality: High
Vulnerable System Integrity: High
Vulnerable System Availability: Low
Subsequent System Confidentiality: High
Subsequent System Integrity: Low
Subsequent System Availability: None

All scores (2)

v4.0 9.3 · vulncheck
v3.1 9.9 · vulncheck

Weakness & likelihood

EPSS (exploitation probability, 30 days): Not available
CWE: CWE-73 External Control of File Name or Path

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.