CVE-2026-34574 Parse Server: Session field immutability bypass via falsy-value guard

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.69 and 9.7.0-alpha.14, an authenticated user can bypass the immutability guard on session fields expiresAt, createdWith by sending a null value in a PUT request to the...

CVE-2026-34574

Parse Server vulnerability CVE-2026-34574 affects Parse Server prior to 8.6.69 and 9.7.0-alpha.14. An authenticated user can bypass the immutability guard on session fields (expiresAt, createdWith) by sending a null value in a PUT to the session update endpoint, effectively nullifying session exp...

CVE-2026-34574 Parse Server: Session field immutability bypass via falsy-value guard

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.69 and 9.7.0-alpha.14, an authenticated user can bypass the immutability guard on session fields expiresAt, createdWith by sending a null value in a PUT request to the...

CVE-2026-34573 Parse Server: GraphQL complexity validator exponential fragment traversal DoS

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.68 and 9.7.0-alpha.12, the GraphQL query complexity validator can be exploited to cause a denial-of-service by sending a crafted query with binary fan-out fragment spreads...

CVE-2026-34573

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.68 and 9.7.0-alpha.12, the GraphQL query complexity validator can be exploited to cause a denial-of-service by sending a crafted query with binary fan-out fragment spreads...

CVE-2026-34573 Parse Server: GraphQL complexity validator exponential fragment traversal DoS

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.68 and 9.7.0-alpha.12, the GraphQL query complexity validator can be exploited to cause a denial-of-service by sending a crafted query with binary fan-out fragment spreads...

EUVD-2026-17500

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.68 and 9.7.0-alpha.12, the GraphQL query complexity validator can be exploited to cause a denial-of-service by sending a crafted query with binary fan-out fragment spreads...

CVE-2026-34573

Parse Server exposes a denial-of-service when the GraphQL query complexity validator is enabled (requestComplexity.graphQLDepth or requestComplexity.graphQLFields). In versions prior to 8.6.68 and 9.7.0-alpha.12, a crafted query using binary fan-out fragment spreads can block the Node.js event lo...

CVE-2026-34532

Parse Server vulnerability CVE-2026-34532: An attacker could bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud Function handler uses the function keyword and its validator is a plain object or arrow function, the tri...

EUVD-2026-17473

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud...

CVE-2026-34532

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud...

CVE-2026-34532 Parse Server: Cloud function validator bypass via prototype chain traversal

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud...

CVE-2026-34532 Parse Server: Cloud function validator bypass via prototype chain traversal

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud...

CVE-2026-34532 Parse Server: Cloud function validator bypass via prototype chain traversal

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud...

CVE-2026-34373 Parse Server: GraphQL API endpoint ignores CORS origin restriction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34373

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34373 Parse Server: GraphQL API endpoint ignores CORS origin restriction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34373

Parse Server’s GraphQL API endpoint prior to versions 8.6.66 and 9.7.0-alpha.10 does not respect the allowOrigin setting, unconditionally allowing cross-origin requests from any website and bypassing configured origin restrictions. The REST API enforces allowOrigin correctly. A fix is available i...

CVE-2026-34373 Parse Server: GraphQL API endpoint ignores CORS origin restriction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34363

Parsed Server LiveQuery vulnerability : multiple concurrent subscribers on the same class share mutable state; the in-place modification by the sensitive data filter can leak protected fields and authentication data across clients, or cause incomplete data to be seen. Affected versions before 8.6...