SB2026040766 - Incorrect authorization in Parse Server



SB2026040766 - Incorrect authorization in Parse Server

Published: April 7, 2026

Security Bulletin ID SB2026040766
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect authorization (CVE-ID: CVE-2026-30947)

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in LiveQuery subscriptions when handling subscription requests and event delivery. A remote attacker can subscribe to a LiveQuery-enabled class without authorization checks to disclose sensitive information.

Data restricted by class-level permissions can be leaked to unauthorized subscribers in real time.


Remediation

Install update from vendor's website.