CVE-2026-42190
Medium · 5.3CVSS
5.3
EPSS
0.2%
Published
May 8, 2026
CISA due date
—
The record
RedwoodSDK is a server-first React framework. From version 1.0.0-beta.50 to before version 1.2.3, server actions in rwsdk apply HTTP method enforcement but no origin validation. A request originating from a different origin that the browser treats as same-site can invoke a server action with the victim's session cookie attached. This issue has been patched in version 1.2.3.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | rwsdk | 1.0.0-beta.50 | 1.2.3 |
Related vulnerabilities
- GHSA-m2m6-cff5-3w7c RedwoodSDK has Same-site CSRF through lack of origin validation in its server actions Same vulnerability
- GHSA-x8rx-789c-2pxq RedwoodSDK has a CSRF vulnerability in server function dispatch via GET requests Also affects rwsdk
- CVE-2026-39371 RedwoodSDK is a server-first React framework. Also affects rwsdk
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