CVE-2026-126449

OpenEMR before 8.5.0 Missing Authorization in immunizations.php, diagnosis_full.php, billing_process.php

Published Nov 13, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Description

OpenEMR before 8.5.0 contains a missing authorization vulnerability in immunizations.php, diagnosis_full.php, and billing_process.php that lets low-privileged users bypass ACL checks. Authenticated Front Office users can reuse their session CSRF token to add or delete immunizations, write encounter billing codes, and invoke the billing processor.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

openemr

unaffected

Version	Status	Constraints
`0`	affected	< 8.5.0
`8.5.0`	unaffected	—

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.313% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/openemr/openemr/security/advisories/GHSA-xp7w-8fx3-642x
https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-immunizations-php-diagnosis-full-php-billing-process-php

History

Nov 13, 2026 9:45 AM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		OpenEMR before 8.5.0 contains a missing authorization vulnerability in immunizations.php, diagnosis_full.php, and billing_process.php that lets low-privileged users bypass ACL checks. Authenticated Front Office users can reuse their session CSRF token to add or delete immunizations, write encounter billing codes, and invoke the billing processor.
Title		OpenEMR before 8.5.0 Missing Authorization in immunizations.php, diagnosis_full.php, billing_process.php
First Time appeared		Open-emr Open-emr openemr
Weaknesses		CWE-862
CPEs		cpe:2.3:a:open-emr:openemr::::::::
Vendors & Products		Open-emr Open-emr openemr
References		https://github.com/openemr/openemr/security/advisories/GHSA-xp7w-8fx3-642x https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-immunizations-php-diagnosis-full-php-billing-process-php
Metrics		cvssV3_1 `{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N'}` cvssV4_0 `{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N'}`