Arbitrary File Read Vulnerability in OpenEMR Affected by Unescaped HTML Handling
CVE-2026-33301

7.1HIGH

Key Information:

Vendor

Openemr

Status
Openemr
Vendor
CVE Published:
19 March 2026

What is CVE-2026-33301?

OpenEMR, a free and open-source electronic health records management application, has a vulnerability that allows users with the 'Notes - my encounters' role to submit Eye Exam forms. This vulnerability arises during the PDF creation process, where form responses are interpreted as unescaped HTML. As a result, an attacker could potentially include arbitrary image files from the server within the generated PDF, posing significant security risks. The issue is resolved in version 8.0.0.2.

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Affected Version(s)

openemr < 8.0.0.2

References

https://github.com/openemr/openemr/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/openemr/openemr/commit/dccc962f06bdf61...
x_refsource_MISC

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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