What is CVE-2026-33918?

CVE-2026-33918 is a high-severity vulnerability in Openemr, classified under Missing Authorization. CVSS score: 7.6/10. Published 2026-03-25.

How severe is CVE-2026-33918?

High severity. CVSS v3 base score is 7.6 out of 10.

Auth bypass in Openemr

CVE-2026-33918

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…

Vulnerability class: Broken Access Control

EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Openemr — versions < 8.0.0.3

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/openemr/openemr/security/advisories/GHSA-g3p5-5grq-m65m (x_refsource_CONFIRM)
https://github.com/openemr/openemr/commit/f6d98d0102df0a8f131be560d9208fb65fba6188 (x_refsource_MISC)
https://github.com/openemr/openemr/releases/tag/v8_0_0_3 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33918?: CVE-2026-33918 is a high-severity vulnerability in Openemr, classified under Missing Authorization. CVSS score: 7.6/10. Published 2026-03-25.
How severe is CVE-2026-33918?: High severity. CVSS v3 base score is 7.6 out of 10.