CVE Watch14 jul 2026

CVE-2026-52841

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, `Google::oauth` at `application/controllers/Google.php

CVSS

3.1

Bajo

EPSS

0.1%

KEV

—

Exploit Today

0-100

Publicado: 14 jul 2026 · Última mod.: 14 jul 2026 · CWE-639

EPSS · 30d

0.1%EPSS · 30 días0.1%

2026-07-152026-07-16

Descripción técnica

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, `Google::oauth` at `application/controllers/Google.php:278` stores its URL-supplied `provider_id` in the session, and `oauth_callback` saves the issued Google OAuth token against that row without checking the caller owns the provider. Any logged-in backend user (admin, provider, or secretary) rebinds a peer provider's Google sync to a Google account they control. The peer's appointments then sync into the attacker's calendar with each customer's name and email attached as attendee data. Version 1.6.0 patches the issue.

Referencias oficiales

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