Auth bypass in Kivicare

CVE-2026-13612

The KiviCare WordPress plugin before 4.5.2 does not verify that the requesting user owns the records being accessed, allowing authenticated patient-level users to read other patients' bills, invoices and appointment details.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (15.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-13612: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Kivicare — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13612?
CVE-2026-13612 is a medium-severity vulnerability in Kivicare, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-12.
How severe is CVE-2026-13612?
Medium severity. CVSS v3 base score is 4.3 out of 10.