CVSS 4.0
6.0 mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NCVE-2026-126417 OpenEMR before 8.5.0 Information Disclosure via get_claim_file.php
Medium (6.0) in openemr openemr. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
On this page
OpenEMR before 8.5.0 contains an access control flaw in get_claim_file.php: with location=tmp, it serves any file in the shared temporary directory without verifying the file is a claim for the caller. Users with acct/eob or acct/bill write access can request key=ccda.xml to download the most recently validated patient's complete C-CDA clinical document.
Severity
CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 25th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-284 Improper Access Control
- 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
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Explain CVE-2026-126417 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-126417?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-126417?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-2026-126417 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
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| openemr | before 8.5.0 |
Attack patterns (CAPEC)
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-284 (17).