Improper Resource Control in medkey HTTP REST API by medkey-org
CVE-2026-12207

5.3MEDIUM

Key Information:

Vendor

Medkey-org

Status
Medkey
Vendor
CVE Published:
15 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12207?

A security flaw has been identified in the medkey HTTP REST API, particularly in the function actionGetPatientById within the PatientController.php file. This vulnerability allows for improper control of resource identifiers by manipulating the argument ID. Such exploitation can be executed remotely, posing a significant threat as it was publicly disclosed. The product is continuously updated via a rolling release system, meaning specific version details for affected releases remain undisclosed. Despite early notification efforts, the vendor has not provided a response regarding this vulnerability.

Affected Version(s)

medkey fc09b7ba9441ff590b72d428d5380834216b09ed

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-12207 - Proof of Concept

References

https://vuldb.com/vuln/370849
vdb-entrytechnical-description
https://vuldb.com/vuln/370849/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12207
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

onyxglitch (VulDB User)
VulDB CNA Team
.