CVE-2026-126464

MEDIUM 4.3

OpenEMR before 8.5.0 SSRF via Patient Portal PDF Generation

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

OpenEMR before 8.5.0 contains a server-side request forgery vulnerability in PatientPortalPDFDocumentCreator::createPdfObject() that allows authenticated patients to make the server issue HTTP GET requests. Attackers can submit img src, inline style url(), or reinserted unpurified style blocks via the content parameter of portal/lib/doc_lib.php to probe internal ports and cloud metadata endpoints.

CWE	CWE-918
Vendor	openemr
Product	openemr
Published	Nov 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

openemr / openemr

0 < 8.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openemr/openemr/security/advisories/GHSA-wc8m-q5xj-j34x vulncheck.com: https://www.vulncheck.com/advisories/openemr-before-8.5.0-ssrf-via-patient-portal-pdf-generation

Credits

🔍 Nora-Qiu