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 ↗

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

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

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