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Alta

parse-server: Denial of service via exponential-time processing of deeply nested query operators

  • Publicada: 19.06.2026
  • Actualizado: 11.10.2026 10:22

Impact

Parse Server is vulnerable to denial of service. A remote attacker can send a single, small query (~1 KB) containing deeply nested query condition operators. Parse Server processes the nested structure with exponential time complexity, which blocks the Node.js event loop and makes the server unresponsive to all clients for the duration of processing. A single request can occupy the event loop for many seconds, and the request is repeatable. The issue affects the REST API and LiveQuery query handling and is reachable in the default configuration. Exploitation requires only the public application identifier; no user authentication is needed.

Patches

The internal query-traversal helper that previously re-walked nested arrays — causing exponential-time processing of nested $or/$and/$nor operators — was corrected to traverse queries in linear time. Additionally, the optional requestComplexity.queryDepth limit was generalized so that nested logical operators are counted even when wrapped inside field-level operators (e.g. $elemMatch, $not) or plain field names, closing a bypass of the limit on both the REST API and LiveQuery.

Workarounds

There is no complete configuration-only workaround on affected versions. Setting requestComplexity.queryDepth to a small positive integer reduces exposure but does not fully prevent the issue, because the limit can be bypassed by nesting the operators inside a field-level operator. Upgrading is strongly recommended.

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de npm parse-server >= 9.0.0, < 9.9.1-alpha.12, < 8.6.82 9.9.1-alpha.12, 8.6.82

Referencias

Puntuación CVSS -
Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Debilidad (CWE)
CWE-407
Plataforma
npm
Paquete
parse-server
Publicada
19.06.2026
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-cgxm-vr2f-6fj8 - 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.

Todas (116) en el archivo
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

Gravedad:
  1. parse-server: Denial of service via exponential-time processing of deeply nested query operators esta entrada
    Alta CVE-2026-57480 >= 9.0.0, < 9.9.1-alpha.12, < 8.6.82 9.9.1-alpha.12, 8.6.82
  2. Parse Server: Pre-authentication denial of service via client version header regex backtracking
    Alta CVE-2026-47138 >= 9.0.0, < 9.9.1-alpha.1, < 8.6.77 9.9.1-alpha.1, 8.6.77
  3. Parser Server's streaming file download bypasses afterFind file trigger authorization
    Alta CVE-2026-34784 >= 9.0.0, < 9.7.1-alpha.1, < 8.6.71 9.7.1-alpha.1, 8.6.71
  4. parse-server has GraphQL complexity validator exponential fragment traversal DoS
    Alta CVE-2026-34573 >= 9.0.0, < 9.7.0-alpha.12, < 8.6.68 9.7.0-alpha.12, 8.6.68
  5. parse-server has cloud function validator bypass via prototype chain traversal
    Crítica CVE-2026-34532 >= 9.0.0, < 9.7.0-alpha.11, < 8.6.67 9.7.0-alpha.11, 8.6.67
  6. LiveQuery protected field leak via shared mutable state across concurrent subscribers
    Alta CVE-2026-34363 >= 9.0.0, < 9.7.0-alpha.9, < 8.6.65 9.7.0-alpha.9, 8.6.65
  7. Parse Server exposes auth data via verify password endpoint
    Alta CVE-2026-34215 >= 9.0.0, < 9.7.0-alpha.7, < 8.6.63 9.7.0-alpha.7, 8.6.63
  8. Parse Server exposes auth data via /users/me endpoint
    Alta CVE-2026-33627 >= 9.0.0, < 9.6.0-alpha.55, < 8.6.61 9.6.0-alpha.55, 8.6.61
  9. Parse Server has SQL Injection through aggregate and distinct field names in PostgreSQL adapter
    Alta CVE-2026-33539 >= 9.0.0, < 9.6.0-alpha.53, < 8.6.59 9.6.0-alpha.53, 8.6.59
  10. Parse Server: Denial of Service via unindexed database query for unconfigured auth providers
    Alta CVE-2026-33538 >= 9.0.0, < 9.6.0-alpha.52, < 8.6.58 9.6.0-alpha.52, 8.6.58
  11. Parse Server LiveQuery subscription query depth bypass
    Alta · 7.5 CVE-2026-33508 >= 9.0.0, < 9.6.0-alpha.45, < 8.6.56 9.6.0-alpha.45, 8.6.56
  12. Parse Server has a query condition depth bypass via pre-validation transform pipeline
    Alta · 7.5 CVE-2026-33498 >= 9.0.0, < 9.6.0-alpha.44, < 8.6.55 9.6.0-alpha.44, 8.6.55
  13. Parse Server's LiveQuery bypasses CLP pointer permission enforcement
    Alta · 6.5 CVE-2026-33421 >= 9.0.0, < 9.6.0-alpha.42, < 8.6.53 9.6.0-alpha.42, 8.6.53
  14. Parse Server has an auth provider validation bypass on login via partial authData
    Alta · 9.1 CVE-2026-33409 >= 9.0.0, < 9.6.0-alpha.41, < 8.6.52 9.6.0-alpha.41, 8.6.52
  15. Parse Server leaks protected fields via LiveQuery afterEvent trigger
    Alta CVE-2026-33163 >= 9.0.0, < 9.6.0-alpha.35, < 8.6.50 9.6.0-alpha.35, 8.6.50
  16. Parse Server's Cloud function dispatch crashes server via prototype chain traversal
    Alta CVE-2026-32886 >= 9.0.0, < 9.6.0-alpha.24, < 8.6.47 9.6.0-alpha.24, 8.6.47
  17. Parse Server crash via deeply nested query condition operators
    Alta CVE-2026-32944 >= 9.0.0, < 9.6.0-alpha.21, < 8.6.45 9.6.0-alpha.21, 8.6.45
  18. Parse Server has a stored XSS filter bypass via Content-Type MIME parameter and missing XML extension blocklist entries
    Alta CVE-2026-32728 >= 9.0.0, < 9.6.0-alpha.15, < 8.6.41 9.6.0-alpha.15, 8.6.41
  19. Parse Server: Account takeover via operator injection in authentication data identifier
    Crítica CVE-2026-32248 >= 9.0.0, < 9.6.0-alpha.12, < 8.6.38 9.6.0-alpha.12, 8.6.38
  20. Parse Server's OAuth2 adapter shares mutable state across providers via singleton instance
    Crítica CVE-2026-32242 >= 9.0.0, < 9.6.0-alpha.11, < 8.6.37 9.6.0-alpha.11, 8.6.37
  21. Parse Server's MFA recovery codes not consumed after use
    Alta CVE-2026-31875 >= 9.0.0-alpha.1, < 9.6.0-alpha.7, < 8.6.33 9.6.0-alpha.7, 8.6.33
  22. Parse Server has a protected fields bypass via dot-notation in query and sort
    Alta CVE-2026-31872 >= 9.0.0-alpha.1, < 9.6.0-alpha.6, < 8.6.32 9.6.0-alpha.6, 8.6.32
  23. Parse Server vulnerable to SQL Injection via dot-notation sub-key name in `Increment` operation on PostgreSQL
    Crítica CVE-2026-31871 >= 9.0.0-alpha.1, < 9.6.0-alpha.5, < 8.6.31 9.6.0-alpha.5, 8.6.31
  24. Parse Server vulnerable to SQL injection via `Increment` operation on nested object field in PostgreSQL
    Crítica CVE-2026-31856 >= 9.0.0-alpha.1, < 9.6.0-alpha.3, < 8.6.29 9.6.0-alpha.3, 8.6.29
  25. Parse Server: Classes `_GraphQLConfig` and `_Audience` master key bypass via generic class routes
    Alta CVE-2026-31800 >= 9.0.0-alpha.1, < 9.5.2-alpha.12, < 8.6.25 9.5.2-alpha.12, 8.6.25
  26. Parse Server OAuth2 authentication adapter account takeover via identity spoofing
    Alta CVE-2026-30967 >= 9.0.0-alpha.1, < 9.5.2-alpha.9, < 8.6.22 9.5.2-alpha.9, 8.6.22
  27. Parse Server has role escalation and CLP bypass via direct `_Join` table write
    Crítica · 10.0 CVE-2026-30966 >= 9.0.0-alpha.1, < 9.5.2-alpha.7, < 8.6.20 9.5.2-alpha.7, 8.6.20
  28. Parse Server vulnerable to session token exfiltration via `redirectClassNameForKey` query parameter
    Crítica CVE-2026-30965 >= 9.0.0-alpha.1, < 9.5.2-alpha.8, < 8.6.21 9.5.2-alpha.8, 8.6.21
  29. Parse Server has a protected fields bypass via logical query operators
    Alta CVE-2026-30962 >= 9.0.0, < 9.5.2-alpha.6, < 8.6.19 9.5.2-alpha.6, 8.6.19
  30. Parse Server missing audience validation in Keycloak authentication adapter
    Alta CVE-2026-30949 >= 9.0.0, < 9.5.2-alpha.5, < 8.6.18 9.5.2-alpha.5, 8.6.18
  31. Parse Server vulnerable to stored cross-site scripting (XSS) via SVG file upload
    Alta CVE-2026-30948 >= 9.0.0, < 9.5.2-alpha.4, < 8.6.17 9.5.2-alpha.4, 8.6.17
  32. Parse Server has a bypass of class-level permissions in LiveQuery
    Alta CVE-2026-30947 >= 9.0.0, < 9.5.2-alpha.3, < 8.6.16 9.5.2-alpha.3, 8.6.16
  33. Parse Server affected by denial-of-service via unbounded query complexity in REST and GraphQL API
    Alta CVE-2026-30946 < 8.6.15, >= 9.0.0, < 9.5.2-alpha.2 8.6.15, 9.5.2-alpha.2
  34. Parse Server has a NoSQL injection via token type in password reset and email verification endpoints
    Alta CVE-2026-30941 >= 9.0.0, < 9.5.2-alpha.1, < 8.6.14 9.5.2-alpha.1, 8.6.14
  35. Parse Server: SQL injection via dot-notation field name in PostgreSQL
    Crítica CVE-2026-31840 >= 9.0.0, < 9.6.0-alpha.2, < 8.6.28 9.6.0-alpha.2, 8.6.28
  36. Parse Server has Denial of Service (DoS) and Cloud Function Dispatch Bypass via Prototype Chain Resolution
    Alta CVE-2026-30939 < 8.6.13, >= 9.0.0-alpha.1, < 9.5.1-alpha.2 8.6.13, 9.5.1-alpha.2
  37. Parse Server has Regular Expression Denial of Service (ReDoS) via `$regex` query in LiveQuery
    Alta CVE-2026-30925 >= 9.0.0-alpha.1, < 9.5.0-alpha.14, < 8.6.11 9.5.0-alpha.14, 8.6.11
  38. Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters
    Crítica CVE-2026-30863 >= 9.0.0-alpha.1, < 9.5.0-alpha.11, < 8.6.10 9.5.0-alpha.11, 8.6.10
  39. parse-server's endpoint `/loginAs` allows `readOnlyMasterKey` to gain full read and write access as any user
    Alta CVE-2026-30229 < 8.6.6, >= 9.0.0, < 9.5.0-alpha.4 8.6.6, 9.5.0-alpha.4
  40. Parse Server's Cloud Hooks and Cloud Jobs bypass `readOnlyMasterKey` write restriction
    Alta CVE-2026-29182 >= 9.0.0, < 9.4.1-alpha.3, < 8.6.4 9.4.1-alpha.3, 8.6.4
  41. Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter
    Crítica CVE-2026-27804 >= 9.0.0, < 9.3.1-alpha.4, < 8.6.3 9.3.1-alpha.4, 8.6.3
  42. Parse Server is vulnerable to Server-Side Request Forgery (SSRF) via Instagram OAuth Adapter
    Alta CVE-2025-68150 >= 9.0.0, < 9.1.1-alpha.1, < 8.6.2 9.1.1-alpha.1, 8.6.2
  43. Parse Server Vulnerable to Server-Side Request Forgery (SSRF) in File Upload via URI Format
    Alta · 7.5 CVE-2025-64430 >= 4.2.0, < 7.5.4, >= 8.0.0, < 8.4.0-alpha.2 7.5.4, 8.4.0-alpha.2
  44. Parse Server's custom object ID allows to acquire role privileges
    Alta · 8.1 CVE-2024-47183 < 6.5.9, >= 7.0.0, < 7.3.0 6.5.9, 7.3.0
  45. ZDI-CAN-23894: Parse Server literalizeRegexPart SQL Injection Authentication Bypass Vulnerability
    Crítica · 9.8 CVE-2024-39309 < 6.5.7, >= 7.0.0, < 7.1.0 6.5.7, 7.1.0
  46. Server crashes on invalid Cloud Function or Cloud Job name
    Crítica · 9.0 CVE-2024-29027 < 6.5.5, >= 7.0.0-alpha.1, < 7.0.0-alpha.29 6.5.5, 7.0.0-alpha.29
  47. ZDI-CAN-19105: Parse Server literalizeRegexPart SQL Injection
    Crítica · 10.0 CVE-2024-27298 < 6.5.0, >= 7.0.0-alpha.1, < 7.0.0-alpha.20 6.5.0, 7.0.0-alpha.20
  48. Parse Server may crash when uploading file without extension
    Alta · 7.5 CVE-2023-46119 >= 1.0.0, < 5.5.6, >= 6.0.0, < 6.3.1 5.5.6, 6.3.1
  49. Trigger `beforeFind` not invoked in internal query pipeline when fetching pointer
    Alta · 7.5 CVE-2023-41058 >= 1.0.0, < 5.5.5, >= 6.0.0, < 6.2.2 5.5.5, 6.2.2
  50. Parse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollution
    Crítica · 9.8 CVE-2023-36475 < 5.5.2, >= 6.0.0, < 6.2.1 5.5.2, 6.2.1
  51. Parse Server option `masterKeyIps` vulnerability to IP spoofing
    Alta · 8.7 CVE-2023-22474 < 5.4.1 5.4.1
  52. Parse Server is vulnerable to Prototype Pollution via Cloud Code Webhooks
    Alta · 7.2 CVE-2022-41879 < 4.10.20, >= 5.0.0, < 5.3.3 4.10.20, 5.3.3
  53. Parse Server vulnerable to Prototype Pollution via Cloud Code Webhooks or Cloud Code Triggers
    Alta · 7.2 CVE-2022-41878 < 4.10.19, >= 5.0.0, < 5.3.2 4.10.19, 5.3.2
  54. Remote code execution via MongoDB BSON parser through prototype pollution
    Crítica · 9.8 CVE-2022-39396 < 4.10.18, >= 5.0.0, < 5.3.1 4.10.18, 5.3.1
  55. parse-server crashes when receiving file download request with invalid byte range
    Alta · 7.5 CVE-2022-39313 < 4.10.17, >= 5.0.0, < 5.2.8 4.10.17, 5.2.8
  56. Parse Server vulnerable to brute force guessing of user sensitive data via search patterns
    Alta · 8.6 CVE-2022-36079 < 4.10.14, >= 5.0.0, < 5.2.5 4.10.14, 5.2.5
  57. Protected fields exposed via LiveQuery
    Alta · 8.2 CVE-2022-31112 < 4.10.13, >= 5.0.0, < 5.2.4 4.10.13, 5.2.4
  58. Invalid file request can crash server
    Alta · 7.5 CVE-2022-31089 < 4.10.12, >= 5.0.0, < 5.2.3 4.10.12, 5.2.3
  59. Authentication bypass vulnerability in Apple Game Center auth adapter
    Alta · 8.6 CVE-2022-31083 < 4.10.11, >= 5.0.0, < 5.2.2 4.10.11, 5.2.2
  60. Authentication bypass and denial of service (DoS) vulnerabilities in Apple Game Center auth adapter
    Alta · 7.5 CVE-2022-24901 < 4.10.10, >= 5.0.0, < 5.2.1 4.10.10, 5.2.1
  61. Command injection in Parse Server through prototype pollution
    Crítica · 10.0 CVE-2022-24760 < 4.10.7 4.10.7
  62. LiveQuery publishes user session tokens in parse-server
    Alta · 7.5 CVE-2021-41109 < 4.10.4 4.10.4
  63. Incorrect version tags linked to external repository
    Crítica CVE-2021-47986 >= 4.0.0, < 4.5.2, >= 4.6.0, < 4.10.0 4.5.2, 4.10.0
  64. Parse Server crashes with query parameter
    Alta · 7.5 CVE-2021-39187 < 4.10.3 4.10.3
  65. Information disclosure in parse-server
    Alta · 7.7 CVE-2020-5251 < 4.1.0 4.1.0
  66. Parse Server before v3.4.1 vulnerable to Denial of Service
    Alta · 7.5 CVE-2019-1020012 < 3.4.1 3.4.1

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