What is CVE-2026-48088?

CVE-2026-48088 is a critical-severity vulnerability in Open-reception Appointment-booking-software, classified under Missing Authorization. CVSS score: 9.4/10. Published 2026-08-06.

How severe is CVE-2026-48088?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Auth bypass in Open-reception Appointment-booking-software

CVE-2026-48088

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.4, the route `POST /api/tenants/{tenantId}/staff/{staffId}/crypto` accepts and stores attacker-controlled ML-K…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Open-reception Appointment-booking-software — versions < 1.0.4

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48088?: CVE-2026-48088 is a critical-severity vulnerability in Open-reception Appointment-booking-software, classified under Missing Authorization. CVSS score: 9.4/10. Published 2026-08-06.
How severe is CVE-2026-48088?: Critical severity. CVSS v3 base score is 9.4 out of 10.