CVE-2026-105828: Information Disclosure

Description

Parse Server 8.2.2 before 8.6.92 and 9.0.0 before 9.10.1-alpha.12 contains an information disclosure vulnerability in which GraphQL validation error messages reveal hidden class names when public introspection is disabled. Unauthenticated attackers holding only the public Application Id can send crafted operations triggering unknown-argument or invalid enum value errors to learn pointer and relation target classes.

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Weakness Type (CWE)

CWE-209 CWE-209

References

Other References

https://github.com/parse-community/parse-server/security/advisories/GHSA-6m77-f8xr-f723 https://www.vulncheck.com/advisories/parse-server-9.0.0-before-9.10.1-alpha.12-class-name-disclosure-via-graphql-errors

Frequently Asked Questions

What is CVE-2026-105828? +

Parse Server 8.2.2 before 8.6.92 and 9.0.0 before 9.10.1-alpha.12 contains an information disclosure vulnerability in which GraphQL validation error messages reveal hidden class names when public introspection is disabled. Unauthenticated attackers holding only the public Application Id can send crafted operations triggering unknown-argument or invalid enum value errors to learn pointer and relation target classes.

How do I check if I'm vulnerable to CVE-2026-105828? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-105828