Parse Server: Account takeover via operator injection in authentication data identifier
Impact
An unauthenticated attacker can take over any user account that was created with an authentication provider that does not validate the format of the user identifier (e.g. anonymous authentication). By sending a crafted login request, the attacker can cause the server to perform a pattern-matching query instead of an exact-match lookup, allowing the attacker to match an existing user and obtain a valid session token for that user's account. Both MongoDB and PostgreSQL database backends are affected. Any Parse Server deployment that allows anonymous authentication (enabled by default) is vulnerable.
Patches
The fix enforces that the user identifier in authentication data is a string before using it in a database query. Non-string values are rejected with a validation error.
Workarounds
There is no known workaround.
References
- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-5fw2-8jcv-xh87
- Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.12
- Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.38
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | parse-server | >= 9.0.0, < 9.6.0-alpha.12, < 8.6.38 | 9.6.0-alpha.12, 8.6.38 |
Referencias
- https://github.com/parse-community/parse-server/security/advisories/GHSA-5fw2-8jcv-xh87
- https://nvd.nist.gov/vuln/detail/CVE-2026-32248
- https://github.com/parse-community/parse-server
- https://github.com/parse-community/parse-server/releases/tag/8.6.38
- https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.12
- Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N- Debilidad (CWE)
CWE-943- Plataforma
- npm
- Paquete
parse-server- Publicada
- 12.03.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-5fw2-8jcv-xh87 - 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
-
Parse Server: Account takeover via operator injection in authentication data identifier esta entrada
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