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CVE-2026-126438 OpenEMR before 8.5.0 Improper Authorization in Clinical-Rule Editor patient_data.php

5.3 mediumEPSS 0.3%

Medium (5.3) in openemr openemr. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

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OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/patient_file/rules/patient_data.php that allows read-only patients/med users to modify clinical-rule records. Attackers can submit a global form_entryID row ID to overwrite completion date, state, and result, including records of patients outside their configured squad.

Severity

CVSS 4.0

5.3 medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 18th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-863 Incorrect 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

References

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