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CVE-2026-34373

Published: Mar 31, 2026

Modified: Mar 31, 2026

PUBLISHED

Description

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 bypasses origin restrictions that operators configure to control which websites can interact with the Parse Server API. The REST API correctly enforces the configured allowOrigin restriction. This issue has been patched in versions 8.6.66 and 9.7.0-alpha.10.

Vendor	Product	Versions
parse-community	parse-server	affected `< 8.6.66` affected `>= 9.0.0, < 9.7.0-alpha.10`

Weaknesses (CWE)

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-q3p6-g7c4-829c

x_refsource_CONFIRM

https://github.com/parse-community/parse-server/pull/10334

x_refsource_MISC

https://github.com/parse-community/parse-server/pull/10335

x_refsource_MISC

https://github.com/parse-community/parse-server/commit/0347641507891d0013ec57f7c10f012064f41263

x_refsource_MISC

https://github.com/parse-community/parse-server/commit/4dd0d3d8be1c39664c74ad10bb0abaa76bc41203

x_refsource_MISC

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