CVE-2026-65825

CVE-2026-65825 · OpenReception: one tenant's throttle row disables the PIN brute-force throttle for the same identifier in other tenants

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OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. In versions 2.1.0 and prior, a returning client's six-digit booking PIN can be brute-forced online in the victim tenant. A successful guess yields the client's booking access token, granting access to that client's appointment tunnel, which holds their end-to-end-encrypted appointment data, and the ability to act as the client, for example adding or cancelling appointments in the tunnel. The bypass is cross-tenant: state owned by one tenant removes an authentication protection of a different tenant. This crossing of the tenant boundary is the basis for the scope-changed vector. At time of publication, there are no publicly available patches.

CVSS 7.5 · Hoch · EPSS 0,2%

Veröffentlicht

2026-10-23T20:29:17.174Z

Aktualisiert

2026-10-26T17:45:38.981Z

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