CVE-2026-24898
criticalpriority · track · 39EPSS 0.006 · 47 %ileEUUSEPSS · scored 2026-10-27
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0, an unauthenticated token disclosure vulnerability in the MedEx callback endpoint allows any unauthenticated visitor to obtain the practice's MedEx API tokens, leading to complete third-party service compromise, PHI exfiltration, unauthorized actions on the MedEx platform, and HIPAA violations. The vulnerability exists because the endpoint bypasses authentication ($ignoreAuth = true) and performs a MedEx login whenever $_POST['callback_key'] is provided, returning the full JSON response including sensitive API tokens. This vulnerability is fixed in 8.0.0.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
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references (7)
External citations — patches, advisories, analysis.
- https://github.com/openemr/openemr/commit/8e4de59ab58222f13abc4e4040128737d857db9ccnnvd
- https://github.com/openemr/openemr/security/advisories/GHSA-qwff-3mw7-7rc7cnnvd
- https://github.com/openemr/openemr/tagsPatchcnnvd
- https://github.com/openemr/openemr/commit/8e4de59ab58222f13abc4e4040128737d857db9cenisa_euvd
- https://github.com/openemr/openemr/security/advisories/GHSA-qwff-3mw7-7rc7enisa_euvd
- https://github.com/openemr/openemr/commit/8e4de59ab58222f13abc4e4040128737d857db9cPatchnvd
- https://github.com/openemr/openemr/security/advisories/GHSA-qwff-3mw7-7rc7ExploitVendor Advisorynvd
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