CVE-2026-105828 Parse Server 9.0.0 before 9.10.1-alpha.12 Class Name Disclosure via GraphQL Errors
Unauthenticated attackers can discover hidden class names via GraphQL error messages when public introspection is disabled, exposing internal schema details.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-105828?
CVE-2026-105828 is a medium-severity vulnerability in parse-community parse-server, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-209
Which versions are affected by CVE-2026-105828?
1 open source package ship an affected version, including parse.
| Package | Affected | Fixed in |
|---|---|---|
parse Bitnami | From 8.2.2 | 8.6.92, 9.10.1 |
How do I fix CVE-2026-105828?
Upgrade parse to a fixed version for your release line: 8.6.92 or 9.10.1.
Is CVE-2026-105828 being exploited?
There is no known exploitation of CVE-2026-105828 in the wild and no public exploit code.
Sources
Also known as BIT-parse-2026-105828, GHSA-6m77-f8xr-f723, GHSA-c9g3-rrm7-955v.