Parse Server's GraphQL WebSocket endpoint bypasses security middleware
Impact
Any Parse Server deployment that uses the GraphQL API is affected. The GraphQL WebSocket endpoint for subscriptions does not pass requests through the Express middleware chain that enforces authentication, introspection control, and query complexity limits. An attacker can connect to the WebSocket endpoint and execute GraphQL operations without providing a valid application or API key, access the GraphQL schema via introspection even when public introspection is disabled, and send arbitrarily complex queries that bypass configured complexity limits.
Patches
The unfinished GraphQL WebSocket subscription feature has been removed, including the createSubscriptions method and the subscriptions-transport-ws dependency. GraphQL subscriptions were never functional in Parse Server as the schema did not define any subscription types.
Workarounds
Block WebSocket upgrade requests to the GraphQL subscriptions path (by default /subscriptions) at the network level, for example using a reverse proxy or load balancer rule.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | parse-server | >= 9.0.0, < 9.6.0-alpha.14, < 8.6.40 | 9.6.0-alpha.14, 8.6.40 |
Referencias
- https://github.com/parse-community/parse-server/security/advisories/GHSA-p2x3-8689-cwpg
- https://nvd.nist.gov/vuln/detail/CVE-2026-32594
- https://github.com/parse-community/parse-server/pull/10189
- https://github.com/parse-community/parse-server/pull/10190
- https://github.com/parse-community/parse-server/commit/21330d146c68b57a930a58b8a8cd9fbf09436cf3
- https://github.com/parse-community/parse-server/commit/3ffba757bfc836bd034e1369f4f64304e110e375
- https://github.com/parse-community/parse-server
- Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N- Debilidad (CWE)
CWE-306- Plataforma
- npm
- Paquete
parse-server- Publicada
- 13.03.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-p2x3-8689-cwpg - CC BY 4.0
Historial de vulnerabilidades: parse-server
Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 116
- Primera → última
- 06.2019 06.2026
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 17
- Alta 49
- Media 40
- Baja 10
Divulgaciones por año
- 2019: 2
- 2020: 4
- 2021: 4
- 2022: 12
- 2023: 5
- 2024: 4
- 2025: 6
- 2026: 79
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