--- title: "CVE-2026-65825: OpenReception Appointment Booking Software - Broken Access Control" description: "OpenReception appointment booking software <= 2.1.0 contains a brute-force vulnerability caused by weak six-digit booking PINs, letting remote attackers bypass authentication across tenants to access and modify client appointment data, exploit requires online PIN guessing." url: https://panop.io/threat-heartbeat/CVE-2026-65825/ --- # CVE-2026-65825 OpenReception Appointment Booking Software - Broken Access Control OpenReception appointment booking software <= 2.1.0 contains a brute-force vulnerability caused by weak six-digit booking PINs, letting remote attackers bypass authentication across tenants to access and modify client appointment data, exploit requires online PIN guessing. CVSS base score 7.5 /10 High CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.34% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-65825) ## Details Type Broken Access Control Impact Broken Access Control, Information Disclosure, Data Tampering CVSS vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N Published 23 October 2026 Updated 25 October 2026 Weakness [CWE-307](https://cwe.mitre.org/data/definitions/307.html) ## Vendor fix Update to the latest version once patches are available. 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-2026-65825](https://nvd.nist.gov/vuln/detail/CVE-2026-65825) - [https://github.com/open-reception/appointment-booking-software/security/advisories/GHSA-v4q4-xmqf-gmq8](https://github.com/open-reception/appointment-booking-software/security/advisories/GHSA-v4q4-xmqf-gmq8) [← 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)