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Mittel

Parse Server vulnerable to schema poisoning via prototype pollution in deep copy

  • Veröffentlicht: 17.03.2026
  • Aktualisiert: 11.10.2026 10:22

Impact

An attacker can bypass the default request keyword denylist protection and the class-level permission for adding fields by sending a crafted request that exploits prototype pollution in the deep copy mechanism. This allows injecting fields into class schemas that have field addition locked down, and can cause permanent schema type conflicts that cannot be resolved even with the master key.

Patches

The vulnerable third-party deep copy library has been replaced with a built-in deep clone mechanism that handles prototype properties safely, allowing the existing denylist check to correctly detect and reject the prohibited keyword.

Workarounds

None.

Vulnerability Independence

This vulnerability is not caused by or dependent on a vulnerability in a third-party dependency.

The third-party deepcopy library that was replaced in the fix has no known CVE or security advisory regarding this. The library functions as designed. It is not vulnerable.

The vulnerability is in parse-server's own request processing logic. Parse-server's security-critical keyword denylist check runs after the deep copy step in the request pipeline. The deep copy step strips __proto__ properties as a normal part of its cloning behavior, which means the denylist check never sees the prohibited key. This allows an attacker to bypass both the denylist protection and class-level permissions for adding fields, resulting in schema poisoning.

The root cause is parse-server's reliance on a cloning mechanism that alters the shape of the data before the security check can inspect it. This is a logic flaw in parse-server's security pipeline, not a vulnerability in a dependency. Replacing the cloning mechanism was the fix for parse-server's own bug.

Betroffene Software

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PlattformPaketAnfällige VersionenBehoben in
npm-Paket parse-server >= 9.0.0, < 9.6.0-alpha.20, < 8.6.44 9.6.0-alpha.20, 8.6.44

Verweise

CVSS-Wert -
CVSS-Vektor
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Schwäche (CWE)
CWE-1321
Plattform
npm
Paket
parse-server
Veröffentlicht
17.03.2026
Aktualisiert
11.10.2026 10:22

Quellen und Lizenzen

OSV / GitHub Advisory Database - GHSA-9ccr-fpp6-78qf - CC BY 4.0

Schwachstellenhistorie: parse-server

Alle veröffentlichten Schwachstellen dieses Pakets (npm-Paket), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.

Alle (116) im Archiv
Einträge insgesamt
116
Erste → letzte
06.2019 06.2026
Ohne Fix
0
In Angriffen ausgenutzt
0

Verteilung nach Schweregrad

  • Kritisch 17
  • Hoch 49
  • Mittel 40
  • Niedrig 10

Veröffentlichungen pro Jahr

Schweregrad:
  1. parse-server: Denial of service via exponential-time processing of deeply nested query operators
    Hoch 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
    Hoch 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
    Hoch 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
    Hoch 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
    Kritisch 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
    Hoch 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
    Hoch 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
    Hoch 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
    Hoch 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
    Hoch 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
    Hoch · 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
    Hoch · 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
    Hoch · 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
    Hoch · 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
    Hoch 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 vulnerable to schema poisoning via prototype pollution in deep copy dieser Eintrag
    Mittel CVE-2026-32878 >= 9.0.0, < 9.6.0-alpha.20, < 8.6.44 9.6.0-alpha.20, 8.6.44
  17. Parse Server's Cloud function dispatch crashes server via prototype chain traversal
    Hoch CVE-2026-32886 >= 9.0.0, < 9.6.0-alpha.24, < 8.6.47 9.6.0-alpha.24, 8.6.47
  18. Parse Server crash via deeply nested query condition operators
    Hoch CVE-2026-32944 >= 9.0.0, < 9.6.0-alpha.21, < 8.6.45 9.6.0-alpha.21, 8.6.45
  19. Parse Server has a stored XSS filter bypass via Content-Type MIME parameter and missing XML extension blocklist entries
    Hoch CVE-2026-32728 >= 9.0.0, < 9.6.0-alpha.15, < 8.6.41 9.6.0-alpha.15, 8.6.41
  20. Parse Server: Account takeover via operator injection in authentication data identifier
    Kritisch CVE-2026-32248 >= 9.0.0, < 9.6.0-alpha.12, < 8.6.38 9.6.0-alpha.12, 8.6.38
  21. Parse Server's OAuth2 adapter shares mutable state across providers via singleton instance
    Kritisch CVE-2026-32242 >= 9.0.0, < 9.6.0-alpha.11, < 8.6.37 9.6.0-alpha.11, 8.6.37
  22. Parse Server's MFA recovery codes not consumed after use
    Hoch CVE-2026-31875 >= 9.0.0-alpha.1, < 9.6.0-alpha.7, < 8.6.33 9.6.0-alpha.7, 8.6.33
  23. Parse Server has a protected fields bypass via dot-notation in query and sort
    Hoch CVE-2026-31872 >= 9.0.0-alpha.1, < 9.6.0-alpha.6, < 8.6.32 9.6.0-alpha.6, 8.6.32
  24. Parse Server vulnerable to SQL Injection via dot-notation sub-key name in `Increment` operation on PostgreSQL
    Kritisch CVE-2026-31871 >= 9.0.0-alpha.1, < 9.6.0-alpha.5, < 8.6.31 9.6.0-alpha.5, 8.6.31
  25. Parse Server vulnerable to SQL injection via `Increment` operation on nested object field in PostgreSQL
    Kritisch CVE-2026-31856 >= 9.0.0-alpha.1, < 9.6.0-alpha.3, < 8.6.29 9.6.0-alpha.3, 8.6.29
  26. Parse Server: Classes `_GraphQLConfig` and `_Audience` master key bypass via generic class routes
    Hoch CVE-2026-31800 >= 9.0.0-alpha.1, < 9.5.2-alpha.12, < 8.6.25 9.5.2-alpha.12, 8.6.25
  27. Parse Server OAuth2 authentication adapter account takeover via identity spoofing
    Hoch CVE-2026-30967 >= 9.0.0-alpha.1, < 9.5.2-alpha.9, < 8.6.22 9.5.2-alpha.9, 8.6.22
  28. Parse Server has role escalation and CLP bypass via direct `_Join` table write
    Kritisch · 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
  29. Parse Server vulnerable to session token exfiltration via `redirectClassNameForKey` query parameter
    Kritisch CVE-2026-30965 >= 9.0.0-alpha.1, < 9.5.2-alpha.8, < 8.6.21 9.5.2-alpha.8, 8.6.21
  30. Parse Server has a protected fields bypass via logical query operators
    Hoch CVE-2026-30962 >= 9.0.0, < 9.5.2-alpha.6, < 8.6.19 9.5.2-alpha.6, 8.6.19
  31. Parse Server missing audience validation in Keycloak authentication adapter
    Hoch CVE-2026-30949 >= 9.0.0, < 9.5.2-alpha.5, < 8.6.18 9.5.2-alpha.5, 8.6.18
  32. Parse Server vulnerable to stored cross-site scripting (XSS) via SVG file upload
    Hoch CVE-2026-30948 >= 9.0.0, < 9.5.2-alpha.4, < 8.6.17 9.5.2-alpha.4, 8.6.17
  33. Parse Server has a bypass of class-level permissions in LiveQuery
    Hoch CVE-2026-30947 >= 9.0.0, < 9.5.2-alpha.3, < 8.6.16 9.5.2-alpha.3, 8.6.16
  34. Parse Server affected by denial-of-service via unbounded query complexity in REST and GraphQL API
    Hoch CVE-2026-30946 < 8.6.15, >= 9.0.0, < 9.5.2-alpha.2 8.6.15, 9.5.2-alpha.2
  35. Parse Server has a NoSQL injection via token type in password reset and email verification endpoints
    Hoch CVE-2026-30941 >= 9.0.0, < 9.5.2-alpha.1, < 8.6.14 9.5.2-alpha.1, 8.6.14
  36. Parse Server: SQL injection via dot-notation field name in PostgreSQL
    Kritisch CVE-2026-31840 >= 9.0.0, < 9.6.0-alpha.2, < 8.6.28 9.6.0-alpha.2, 8.6.28
  37. Parse Server has Denial of Service (DoS) and Cloud Function Dispatch Bypass via Prototype Chain Resolution
    Hoch CVE-2026-30939 < 8.6.13, >= 9.0.0-alpha.1, < 9.5.1-alpha.2 8.6.13, 9.5.1-alpha.2
  38. Parse Server has Regular Expression Denial of Service (ReDoS) via `$regex` query in LiveQuery
    Hoch CVE-2026-30925 >= 9.0.0-alpha.1, < 9.5.0-alpha.14, < 8.6.11 9.5.0-alpha.14, 8.6.11
  39. Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters
    Kritisch CVE-2026-30863 >= 9.0.0-alpha.1, < 9.5.0-alpha.11, < 8.6.10 9.5.0-alpha.11, 8.6.10
  40. parse-server's endpoint `/loginAs` allows `readOnlyMasterKey` to gain full read and write access as any user
    Hoch CVE-2026-30229 < 8.6.6, >= 9.0.0, < 9.5.0-alpha.4 8.6.6, 9.5.0-alpha.4
  41. Parse Server's Cloud Hooks and Cloud Jobs bypass `readOnlyMasterKey` write restriction
    Hoch CVE-2026-29182 >= 9.0.0, < 9.4.1-alpha.3, < 8.6.4 9.4.1-alpha.3, 8.6.4
  42. Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter
    Kritisch CVE-2026-27804 >= 9.0.0, < 9.3.1-alpha.4, < 8.6.3 9.3.1-alpha.4, 8.6.3
  43. Parse Server is vulnerable to Server-Side Request Forgery (SSRF) via Instagram OAuth Adapter
    Hoch CVE-2025-68150 >= 9.0.0, < 9.1.1-alpha.1, < 8.6.2 9.1.1-alpha.1, 8.6.2
  44. Parse Server Vulnerable to Server-Side Request Forgery (SSRF) in File Upload via URI Format
    Hoch · 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
  45. Parse Server's custom object ID allows to acquire role privileges
    Hoch · 8.1 CVE-2024-47183 < 6.5.9, >= 7.0.0, < 7.3.0 6.5.9, 7.3.0
  46. ZDI-CAN-23894: Parse Server literalizeRegexPart SQL Injection Authentication Bypass Vulnerability
    Kritisch · 9.8 CVE-2024-39309 < 6.5.7, >= 7.0.0, < 7.1.0 6.5.7, 7.1.0
  47. Server crashes on invalid Cloud Function or Cloud Job name
    Kritisch · 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
  48. ZDI-CAN-19105: Parse Server literalizeRegexPart SQL Injection
    Kritisch · 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
  49. Parse Server may crash when uploading file without extension
    Hoch · 7.5 CVE-2023-46119 >= 1.0.0, < 5.5.6, >= 6.0.0, < 6.3.1 5.5.6, 6.3.1
  50. Trigger `beforeFind` not invoked in internal query pipeline when fetching pointer
    Hoch · 7.5 CVE-2023-41058 >= 1.0.0, < 5.5.5, >= 6.0.0, < 6.2.2 5.5.5, 6.2.2
  51. Parse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollution
    Kritisch · 9.8 CVE-2023-36475 < 5.5.2, >= 6.0.0, < 6.2.1 5.5.2, 6.2.1
  52. Parse Server option `masterKeyIps` vulnerability to IP spoofing
    Hoch · 8.7 CVE-2023-22474 < 5.4.1 5.4.1
  53. Parse Server is vulnerable to Prototype Pollution via Cloud Code Webhooks
    Hoch · 7.2 CVE-2022-41879 < 4.10.20, >= 5.0.0, < 5.3.3 4.10.20, 5.3.3
  54. Parse Server vulnerable to Prototype Pollution via Cloud Code Webhooks or Cloud Code Triggers
    Hoch · 7.2 CVE-2022-41878 < 4.10.19, >= 5.0.0, < 5.3.2 4.10.19, 5.3.2
  55. Remote code execution via MongoDB BSON parser through prototype pollution
    Kritisch · 9.8 CVE-2022-39396 < 4.10.18, >= 5.0.0, < 5.3.1 4.10.18, 5.3.1
  56. parse-server crashes when receiving file download request with invalid byte range
    Hoch · 7.5 CVE-2022-39313 < 4.10.17, >= 5.0.0, < 5.2.8 4.10.17, 5.2.8
  57. Parse Server vulnerable to brute force guessing of user sensitive data via search patterns
    Hoch · 8.6 CVE-2022-36079 < 4.10.14, >= 5.0.0, < 5.2.5 4.10.14, 5.2.5
  58. Protected fields exposed via LiveQuery
    Hoch · 8.2 CVE-2022-31112 < 4.10.13, >= 5.0.0, < 5.2.4 4.10.13, 5.2.4
  59. Invalid file request can crash server
    Hoch · 7.5 CVE-2022-31089 < 4.10.12, >= 5.0.0, < 5.2.3 4.10.12, 5.2.3
  60. Authentication bypass vulnerability in Apple Game Center auth adapter
    Hoch · 8.6 CVE-2022-31083 < 4.10.11, >= 5.0.0, < 5.2.2 4.10.11, 5.2.2
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