Parse Server's MFA recovery codes not consumed after use
Impact
When multi-factor authentication (MFA) via TOTP is enabled for a user account, Parse Server generates two single-use recovery codes. These codes are intended as a fallback when the user cannot provide a TOTP token. However, recovery codes are not consumed after use, allowing the same recovery code to be used an unlimited number of times. This defeats the single-use design of recovery codes and weakens the security of MFA-protected accounts.
An attacker who obtains a single recovery code can repeatedly authenticate as the affected user without the code ever being invalidated.
Patches
The fix ensures that each recovery code is removed from the stored recovery code list after a successful login.
Workarounds
There is no known workaround.
References
- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-4hf6-3x24-c9m8
- Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.7
- Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.33
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | parse-server | >= 9.0.0-alpha.1, < 9.6.0-alpha.7, < 8.6.33 | 9.6.0-alpha.7, 8.6.33 |
Referencias
- https://github.com/parse-community/parse-server/security/advisories/GHSA-4hf6-3x24-c9m8
- https://nvd.nist.gov/vuln/detail/CVE-2026-31875
- https://github.com/parse-community/parse-server
- https://github.com/parse-community/parse-server/releases/tag/8.6.33
- https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.7
- Vector CVSS
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N- Debilidad (CWE)
CWE-672- Plataforma
- npm
- Paquete
parse-server- Publicada
- 11.03.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-4hf6-3x24-c9m8 - 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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Parse Server's MFA recovery codes not consumed after use esta entrada
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