CVE-2026-33321
7.6 · HIGHOverview
CVE-2026-33321 is a high-severity vulnerability affecting open-emr openemr. It was published on March 19, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, users with the `Notes - my encounters` role can fill Eye Exam forms in patient encounters. The answers to the form can be printed out in PDF form. An Out-of-Band Server-Side Request Forgery (OOB SSRF) vulnerability was identified in the PDF creation function where the form answers are parsed as unescaped HTML, allowing an attacker to forge requests from the server made to external or internal resources. Version 8.0.0.2 fixes the issue.
Remediation
Check the references section for vendor advisories and patches from open-emr. Update openemr to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| open-emr | openemr | >= 0, < 8.0.0.2 | Affected |
Frequently Asked Questions
What is CVE-2026-33321?
CVE-2026-33321 is a high-severity vulnerability affecting open-emr openemr. It was published on March 19, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).
How severe is CVE-2026-33321?
This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-33321?
Check the references section for vendor advisories and patches from open-emr. Update openemr to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-33321?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-33321 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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