CVE-2026-13612 KiviCare < 4.5.2 - Patient+ Cross-Patient Bill, Invoice and Appointment Disclosure via IDOR
Authenticated users can access other patients' bills, invoices, and appointments due to missing ownership verification in the KiviCare plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13612?
CVE-2026-13612 is a medium-severity missing authorization vulnerability in Unknown KiviCare, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-13612?
How do I fix CVE-2026-13612?
No fix has been published for CVE-2026-13612 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-13612 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13612 exists.
Sources
Also known as GHSA-f444-wc3x-6c2g.