KiviCare < 4.5.2 - Patient+ Cross-Patient Bill, Invoice and Appointment Disclosure via IDOR (CVE-2026-13612) | HOL Guard CVE

Medium · CVSS 4.3CVE-2026-13612

KiviCare < 4.5.2 - Patient+ Cross-Patient Bill, Invoice and Appointment Disclosure via IDOR

Answer in brief

CVE-2026-13612 records a Medium severity (CVSS 4.3) vulnerability in KiviCare < 4.5.2 - Patient+ Cross-Patient Bill, Invoice and Appointment Disclosure via IDOR. The current sources do not mark it as known exploited. The current feed maps Unknown/KiviCare (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 12, 2026Updated Aug 26, 2026Source checked Sep 26, 2026First seen by HOL Aug 12, 2026Material review Aug 26, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 4.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/KiviCare (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/KiviCaregeneric	>=0 <4.5.2	4.5.2

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/KiviCare.
Review the reported fix. Update Unknown/KiviCare to 4.5.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 12, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.