parse-server's file creation and deletion bypasses `readOnlyMasterKey` write restriction
Impact
The readOnlyMasterKey can be used to create and delete files via the Files API (POST /files/:filename, DELETE /files/:filename). This bypasses the read-only restriction which violates the access scope of the readOnlyMasterKey.
Any Parse Server deployment that uses readOnlyMasterKey and exposes the Files API is affected. An attacker with access to the readOnlyMasterKey can upload arbitrary files or delete existing files.
Patches
The fix adds permission checks to both the file upload and file delete handlers.
Workarounds
There is no workaround other than not using readOnlyMasterKey, or restricting network access to the Files API endpoints.
References
- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-xfh7-phr7-gr2x
- Fix for Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.5.0-alpha.3
- Fix for Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.5
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | parse-server | >= 9.0.0, < 9.5.0-alpha.3, < 8.6.5 | 9.5.0-alpha.3, 8.6.5 |
Referencias
- https://github.com/parse-community/parse-server/security/advisories/GHSA-xfh7-phr7-gr2x
- https://nvd.nist.gov/vuln/detail/CVE-2026-30228
- https://github.com/parse-community/parse-server
- https://github.com/parse-community/parse-server/releases/tag/8.6.5
- https://github.com/parse-community/parse-server/releases/tag/9.5.0-alpha.3
- Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N- Debilidad (CWE)
CWE-863- Plataforma
- npm
- Paquete
parse-server- Publicada
- 06.03.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-xfh7-phr7-gr2x - 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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