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CVE-2026-126443 OpenEMR before 8.5.0 Missing Authorization via dynamic_finder_ajax.php Patient Finder

7.1 highEPSS 0.4%

High (7.1) in openemr openemr. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.

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OpenEMR before 8.5.0 contains a missing authorization vulnerability in dynamic_finder_ajax.php that allows authenticated users without patients/demo permission to query patient demographics. Attackers can supply arbitrary patient_data columns via the sColumns parameter to enumerate names, dates of birth, contact details, and Social Security numbers across the practice.

Severity

CVSS 4.0

7.1 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.4% estimated probability of exploitation activity in the next 30 days; 30th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-862 Missing Authorization
OWASP Top 10
A01:2025 Broken Access Control
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
openemrbefore 8.5.0

Attack patterns (CAPEC)

  • CAPEC-665 Exploitation of Thunderbolt Protection Flaws Likelihood: Low · Severity: Very High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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