CVE-2026-32238
OpenEMR is a free and open source electronic health records and medical practice management application.
Executive Summary
CVE-2026-32238 is a critical severity vulnerability affecting appsec, ai-code. It is classified as OS Command Injection. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.
Precogs AI Insight
"This critical flaw stems from within OpenEMR, allowing a lack of rigorous type checking mechanisms. In practice, this allows unauthorized actors to gain unauthorized read or write access, effectively hijacking underlying configurations. Precogs AI Analysis Engine utilizes semantic code analysis to intercept unsafe execution patterns."
What is this vulnerability?
CVE-2026-32238 is categorized as a critical Code Injection / RCE flaw. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.
OpenEMR is a free and open source electronic health records and medical practice management application. Versions prior to 8.0.0.2 contain a Command inject...
This architectural defect enables adversaries to bypass intended security controls, directly manipulating the application's execution state or data layer. Immediate strategic intervention is required.
Risk Assessment
| Metric | Value |
|---|---|
| CVSS Base Score | 9.1 (CRITICAL) |
| Vector String | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| Published | March 19, 2026 |
| Last Modified | March 20, 2026 |
| Related CWEs | CWE-78 |
Impact on Systems
✅ Remote Code Execution: Attackers achieve arbitrary command execution within the context of the application server.
✅ Privilege Escalation: Initial code execution can be exploited to pivot and elevate privileges across the network.
✅ Persistent Backdoors: Attackers can bind reverse shells, modify source files, or inject persistent access mechanisms.
How to fix this issue?
Implement the following strategic mitigations immediately to eliminate the attack surface.
1. Remove Dynamic Evaluation Completely eliminate the use of dynamic evaluation functions (eval(), exec(), system()) on untrusted input.
2. Sandboxing If dynamic execution is an absolute business requirement, isolate the execution environment in tightly constrained, non-networked sandboxes (e.g., restricted WebAssembly or isolated containers).
3. Network Segmentation Restrict outbound traffic from the application server (egress filtering) to prevent reverse shell connections.
Vulnerability Signature
// Vulnerable Node.js Execution
const exec = require('child_process').exec;
const user_domain = req.query.domain;
// VULNERABLE: Injecting user input directly into system shell commands
exec('ping -c 4 ' + user_domain, (error, stdout, stderr) =\> \{
res.send(stdout);
\});
// EXPLOIT PAYLOAD: precogs.ai ; cat /etc/passwd
References and Sources
- NVD — CVE-2026-32238
- MITRE — CVE-2026-32238
- CWE-78 — MITRE CWE
- CWE-78 Details
- Application Security Vulnerabilities
- AI Code Security Vulnerabilities
Vulnerability Code Signature
Attack Data Flow
| Stage | Detail |
|---|---|
| Source | User-supplied system argument |
| Vector | Argument appended to a shell command string |
| Sink | child_process.exec() or similar OS execution sink |
| Impact | Remote Code Execution (RCE), full system compromise |
Vulnerable Code Pattern
// ❌ VULNERABLE: OS command injection
const { exec } = require('child_process');
function pingHost(host) {
// Taint sink: unvalidated host string executed in shell
exec('ping -c 4 ' + host, (error, stdout, stderr) => {
console.log(stdout);
});
}
Secure Code Pattern
// ✅ SECURE: ExecFile with parameter arrays
const { execFile } = require('child_process');
function pingHost(host) {
// Sanitized execution: arguments passed safely, bypassing shell interpolation
execFile('ping', ['-c', '4', host], (error, stdout, stderr) => {
console.log(stdout);
});
}
How Precogs Detects This
Precogs AI Analysis Engine natively intercepts unsafe OS command execution sinks, ensuring all arguments are properly separated from the execution context.\n