Critical severity · published Mar 3, 2026
CVE-2026-24848
OpenEMR Arbitrary File Write leading to Remote Code Execution
9.9
CVSS
6.7%
EPSS
No
On KEV
Description
OpenEMR is a free and open source electronic health records and medical practice management application. In 7.0.4 and earlier, the disposeDocument() method in EtherFaxActions.php allows authenticated users to write arbitrary content to arbitrary locations on the server filesystem. This vulnerability can be exploited to achieve Remote Code Execution (RCE) by uploading malicious PHP web shells.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)6.7% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
openemr · openemr
<= 7.0.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24848
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24848
Exploit
https://github.com/openemr/openemr/security/advisories/GHSA-5vp5-4rm6-h4c9
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