Parse Server allows public `explain` queries which may expose sensitive database performance information and schema deta

Description

The MongoDB explain() method provides detailed information about query execution plans, including index usage, collection scanning behavior, and performance metrics. Parse Server permits any client to execute explain queries without requiring the master key.

Recommendation

Update the parse-server package to the latest compatible version. Followings are version details:

• Affected version(s): < 8.5.0-alpha.5
• Patched version(s): 8.5.0-alpha.5

References

• GHSA-7cx5-254x-cgrq
• CVE-2025-64502
• CWE-201
• CAPEC-310
• OWASP 2021-A1
• OWASP 2021-A6

Related Issues

• Parse Server exposes the data schema via GraphQL API - CVE-2025-53364
• parse-server: Malformed `$regex` query leaks database error details in API response - CVE-2026-30835
• Sensitive Data Exposure in parse-server - CVE-2019-1020013
• Information disclosure in parse-server - CVE-2020-5251

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Tags:

npm

parse-server