OpenEMR up to 8.4.x Portal download_template.php pid/template_id authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00+ |
Summary
A vulnerability has been found in OpenEMR up to 8.4.x and classified as problematic. Affected is an unknown function of the file portal/lib/download_template.php of the component Portal. This manipulation of the argument pid/template_id causes authorization. This vulnerability is handled as CVE-2026-126437. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability was found in OpenEMR up to 8.4.x. It has been declared as problematic. Affected by this vulnerability is an unknown part of the file portal/lib/download_template.php of the component Portal. The manipulation of the argument pid/template_id with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. The summary by CVE is:
OpenEMR before 8.5.0 contains an authorization bypass vulnerability in portal/lib/download_template.php that allows any authenticated core user to render documents for arbitrary patients by setting isModule. Attackers can submit arbitrary pid and template_id values to disclose patient names, birth dates, chart IDs, addresses, allergies, medications, and problem lists despite ACL and squad restrictions.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-126437 since 11/10/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit.
By approaching the search of inurl:portal/lib/download_template.php it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 8.5.0 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
License
Website
- Product: https://github.com/openemr/openemr/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: OpenEMR 8.5.0
Timeline
11/10/2026 CVE reserved11/13/2026 Advisory disclosed
11/13/2026 VulDB entry created
11/13/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CNA: VulnCheck
CVE: CVE-2026-126437 (🔒)
GCVE (CVE): GCVE-0-2026-126437
GCVE (VulDB): GCVE-100-436831
Entry
Created: 11/13/2026 11:39Changes: 11/13/2026 11:39 (78)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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