SB2026040781 - Incorrect authorization in Parse Server
Published: April 7, 2026
Security Bulletin ID
SB2026040781
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect authorization (CVE-ID: CVE-2026-30854)
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to incorrect authorization in the GraphQL introspection control for __type queries when processing __type queries nested inside inline fragments. A remote attacker can send a specially crafted GraphQL query to disclose sensitive information.
Only __type introspection is affected; __schema introspection is not affected. The issue is exposed when public introspection is disabled.
Remediation
Install update from vendor's website.