CVE-2026-124459
OpenEMR before 8.3.0 Cross-Patient IDOR via Encounter Form Viewers and Save Handlers
OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in many encounter-form view and save endpoints that lack patient/encounter ownership checks. Authenticated clinical users can enumerate sequential form id values in requests such as soap/view.php and save.php to read and overwrite other patients' clinical records.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| openemr openemr |
≥ 0; < 8.3.0 (affected, semver) 8.3.0 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 8.6 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 8.1 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N | CNA: VulnCheck |
| 4.0 / 8.6 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 8.1 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N | NVD: [email protected] |
Exploit evidence
- https://github.com/openemr/openemr/security/advisories/GHSA-3mg9-27fw-m9j6
exploit · ADP: CISA-ADP
References
- https://github.com/openemr/openemr/security/advisories/GHSA-3mg9-27fw-m9j6CNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/openemr-before-8.3.0-cross-patient-idor-via-encounter-form-viewers-and-save-handlersCNA: VulnCheck · third-party-advisory
- https://github.com/openemr/openemr/security/advisories/GHSA-3mg9-27fw-m9j6ADP: CISA-ADP · exploit
- https://github.com/openemr/openemr/security/advisories/GHSA-3mg9-27fw-m9j6[email protected]
- https://www.vulncheck.com/advisories/openemr-before-8.3.0-cross-patient-idor-via-encounter-form-viewers-and-save-handlers[email protected]
For agents and automation
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