Is CVE-2026-33304 actively exploited?

CVE-2026-33304 has no public evidence of in-the-wild exploitation as of 2026-03-20.

What is the CVSS score for CVE-2026-33304?

CVE-2026-33304 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2026-33304?

Patch guidance is available from open-emr security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-33304.

CVE-2026-33304 - remediation guidance & executive summary

Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, an authorization bypass in the dated reminders log allows any authenticated non-admin user to view reminder messages belonging to other users, including associated patient names and free-text message content, by crafting a GET request with arbitrary user IDs in the `sentTo[]` or `sentBy[]` parameters. Version 8.0.0.2 fixes the issue.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-639 CWE-862 · Missing Authorization

Metadata

Primary Vendor: OPEN-EMR
Published: 3/19/2026
Last Modified: 3/20/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-33304

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary