---
title: "CVE-2026-54460: OpenReception Appointment Booking Software - Authentication Bypass"
description: "OpenReception appointment booking software < 1.1.1 contains an authentication bypass caused by missing WebAuthnService.verifyRegistration and improper passkey binding, letting unauthenticated attackers create staff sessions and access tenant data, exploit requires knowledge of public tenant ID and target staff email."
url: https://panop.io/threat-heartbeat/CVE-2026-54460/
---

# CVE-2026-54460 OpenReception Appointment Booking Software - Authentication Bypass

OpenReception appointment booking software < 1.1.1 contains an authentication bypass caused by missing WebAuthnService.verifyRegistration and improper passkey binding, letting unauthenticated attackers create staff sessions and access tenant data, exploit requires knowledge of public tenant ID and target staff email.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

EPSS

0.70% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54460)

## Details

Type

Authentication Bypass

Impact

Broken Authentication, Information Disclosure, Privilege Escalation, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Update to version 1.1.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54460](https://nvd.nist.gov/vuln/detail/CVE-2026-54460)
- [https://github.com/open-reception/appointment-booking-software/commit/5d29d9c1964ef7541a6e96d04d946c22f76eea00](https://github.com/open-reception/appointment-booking-software/commit/5d29d9c1964ef7541a6e96d04d946c22f76eea00)
- [https://github.com/open-reception/appointment-booking-software/commit/93040884b783573dbf161723e508676327fdf0bf](https://github.com/open-reception/appointment-booking-software/commit/93040884b783573dbf161723e508676327fdf0bf)
- [https://github.com/open-reception/appointment-booking-software/releases/tag/v1.1.1](https://github.com/open-reception/appointment-booking-software/releases/tag/v1.1.1)
- [https://github.com/open-reception/appointment-booking-software/security/advisories/GHSA-g233-m625-m3pc](https://github.com/open-reception/appointment-booking-software/security/advisories/GHSA-g233-m625-m3pc)
- [https://github.com/user-attachments/files/28600800/MS-OPENRECEPTION-cc76da-poc.zip](https://github.com/user-attachments/files/28600800/MS-OPENRECEPTION-cc76da-poc.zip)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)