Is CVE-2026-12207 in the CISA KEV catalog?

No. CVE-2026-12207 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-12207?

CVE-2026-12207 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-12207?

CVE-2026-12207 has an EPSS score of 0.23% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-12207?

No published fix for CVE-2026-12207 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-12207

MEDIUM

4.3

CVSS v3

NVD

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.

CWE-99

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.23%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Other references5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-15.