cve.bz

CVE-2026-126470 OpenEMR before 8.5.0 IDOR in Carecoordination CCDA/CCR/QRDA Document Actions

8.7 highEPSS 0.4%

High (8.7) in openemr openemr. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.

On this page
OpenEMR before 8.5.0 contains an insecure direct object reference vulnerability in the Carecoordination module that allows authenticated users with send_to_hie permission to access any patient's CCDA/CCR/QRDA documents. Attackers can supply arbitrary document or patient IDs to download, transmit, or export patient health records, inject falsified clinical data, and delete audit records.

Severity

CVSS 4.0

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

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.4% estimated probability of exploitation activity in the next 30 days; 39th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-639 Authorization Bypass Through User-Controlled Key
OWASP Top 10
A01:2025 Broken Access Control
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-126470 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-126470?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-126470?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-126470 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-126470

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-126470](https://cve.bz/cve/badge/CVE-2026-126470.svg)](https://cve.bz/cve/CVE-2026-126470)

HTML:

<a href="https://cve.bz/cve/CVE-2026-126470"><img src="https://cve.bz/cve/badge/CVE-2026-126470.svg" alt="CVE-2026-126470"></a>

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
openemrbefore 8.5.0

References

Check your stackJSON