SB2026040781 - Incorrect authorization in Parse Server
Published: April 7, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect authorization (CVE-ID: CVE-2026-30854)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.