What is CVE-2026-19416?

CVE-2026-19416 is a medium-severity vulnerability in Kivicare, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-19.

How severe is CVE-2026-19416?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Kivicare

CVE-2026-19416

The KiviCare WordPress plugin before 4.5.4 does not verify that the requesting user owns the appointment being modified, allowing authenticated patient-level users to cancel and reschedule other patients' appointments.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Unknown Kivicare

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-19416?: CVE-2026-19416 is a medium-severity vulnerability in Kivicare, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-19.
How severe is CVE-2026-19416?: Medium severity. CVSS v3 base score is 4.3 out of 10.