CVE-2026-12207

CVE-2026-12207 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-99.

Key facts

Description

A security flaw has been discovered in medkey-org medkey up to fc09b7ba9441ff590b72d428d5380834216b09ed. Impacted is the function actionGetPatientById of the file app\modules\medical\port\rest\controllers\PatientController.php of the component HTTP REST API. The manipulation of the argument ID results in improper control of resource identifiers. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-12207?
A security flaw has been discovered in medkey-org medkey up to fc09b7ba9441ff590b72d428d5380834216b09ed. Impacted is the function actionGetPatientById of the file app\modules\medical\port\rest\controllers\PatientController.php of the component HTTP REST API. The manipulation of the argument ID results in improper control of resource identifiers. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-12207?
CVE-2026-12207 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-12207 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12207?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12207 have an EU (EUVD) identifier?
Yes. CVE-2026-12207 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36681.
When was CVE-2026-12207 published?
CVE-2026-12207 was published on 2026-06-15 and last updated on 2026-06-17.

References

Other CWE-99 vulnerabilities

Browse all CWE-99 vulnerabilities →