RedwoodSDK is a server-first React framework. From 1.0.0-beta.50 to 1.0.5, erver functions exported from "use server" files could be invoked via GET requests, bypassing their intended HTTP method. In cookie-authenticated applications, this allowed cross-site GET navigations to trigger state-changing functions, because browsers send SameSite=Lax cookies on top-level GET requests. This affected all server functions -- both serverAction() handlers and bare exported functions in "use server" files. This vulnerability is fixed in 1.0.6.

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History

Tue, 07 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Description RedwoodSDK is a server-first React framework. From 1.0.0-beta.50 to 1.0.5, erver functions exported from "use server" files could be invoked via GET requests, bypassing their intended HTTP method. In cookie-authenticated applications, this allowed cross-site GET navigations to trigger state-changing functions, because browsers send SameSite=Lax cookies on top-level GET requests. This affected all server functions -- both serverAction() handlers and bare exported functions in "use server" files. This vulnerability is fixed in 1.0.6.
Title RedwoodSDK has a CSRF vulnerability in server function dispatch via GET requests
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-07T19:28:30.941Z

Reserved: 2026-04-06T21:29:17.350Z

Link: CVE-2026-39371

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-04-07T20:16:31.980

Modified: 2026-04-07T20:16:31.980

Link: CVE-2026-39371

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses