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Vulnerability record · CVE-2026-33918 · published 26 March 2026

CVE-2026-33918: Open-emr openemr missing authorization vulnerability

Open Emr · Openemr

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the billing file-download endpoint `interface/billing/get_claim_file.php` only verifies that the caller has a valid session and CSRF token, but does not check any ACL permissions. This allows any authenticated OpenEMR user — regardless of whether they have billing privileges — to download and permanently delete electronic claim batch files containing protected health information (PHI). Version 8.0.0.3 patches the issue.

8.8 CVSS 3.1 High EPSS 0.45% · top 63.4% CWE-862 · Missing authorization
8.8CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the billing file-download endpoint `interface/billing/get_claim_file.php` only verifies that the caller has a valid session and CSRF token, but does not check any ACL permissions. This allows any authenticated OpenEMR user — regardless of whether they have billing privileges — to download and permanently delete electronic claim batch files containing protected health information (PHI). Version 8.0.0.3 patches the issue.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/openemr/openemr/commit/f6d98d0102df0a8f131be560d9208fb65fba6188 Patch
https://github.com/openemr/openemr/releases/tag/v8_0_0_3 Product
https://github.com/openemr/openemr/security/advisories/GHSA-g3p5-5grq-m65m Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-33918), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.