CVE-2026-104137: openemr Access Control Flaw

Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, the sms_search branch of interface/main/messages/save.php requires an authenticated session but does not enforce patient or feature-level ACLs. A low-privilege user who cannot access patient data through the normal interface can search the MedEx SMS endpoint and receive patient identifiers, names, phone numbers, SMS permission status, and recent message information. This issue is fixed in version 8.3.0.

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CVSS v3.1 Score

6.5

MEDIUM

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

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.31%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
open-emr	openemr	< 8.3.0

References

Advisories & Patches

https://github.com/openemr/openemr/commit/7973cab3fe3f2fd2374ed71c02605e3c93491c36 https://github.com/openemr/openemr/pull/13200 https://github.com/openemr/openemr/security/advisories/GHSA-h5hw-xfj8-vgrv

Exploits

https://github.com/openemr/openemr/security/advisories/GHSA-h5hw-xfj8-vgrv

Other References

https://github.com/openemr/openemr/releases/tag/v8_3_0

Frequently Asked Questions

What is CVE-2026-104137? +

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, the sms_search branch of interface/main/messages/save.php requires an authenticated session but does not enforce patient or feature-level ACLs. A low-privilege user who cannot access patient data through the normal interface can search the MedEx SMS endpoint and receive patient identifiers, names, phone numbers, SMS permission status, and recent message information. This issue is fixed in version 8.3.0. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-104137? +

CVE-2026-104137 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0037, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-104137? +

CVE-2026-104137 affects products from open-emr, specifically: openemr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-104137? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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