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CVE-2026-42190— RedwoodSDK: Same-site CSRF in in server actions

Quick assessment

Affected
redwoodjs sdk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RedwoodSDK是RedwoodJS开源的一个基于React的服务器优先Web应用框架。 RedwoodSDK 1.0.0-beta.50版本至1.2.3之前版本存在跨站请求伪造漏洞，该漏洞源于服务器操作应用HTTP方法强制但无来源验证，可能导致来自不同来源的请求被浏览器视为同站并附带受害者会话cookie调用服务器操作。

CVSS 5.3 · Medium EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1556.004 · Network Device Authentication

Affected Version Matrix 1

VendorProduct Version RangeStatus
redwoodjs sdk >= 1.0.0-beta.50, < 1.2.3 affected
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I. Basic Information for CVE-2026-42190

Vulnerability Information
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Vulnerability Title
RedwoodSDK: Same-site CSRF in in server actions
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
RedwoodSDK 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RedwoodSDK是RedwoodJS开源的一个基于React的服务器优先Web应用框架。 RedwoodSDK 1.0.0-beta.50版本至1.2.3之前版本存在跨站请求伪造漏洞，该漏洞源于服务器操作应用HTTP方法强制但无来源验证，可能导致来自不同来源的请求被浏览器视为同站并附带受害者会话cookie调用服务器操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
redwoodjs sdk >= 1.0.0-beta.50, < 1.2.3 -

II. Public POCs for CVE-2026-42190

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III. Intelligence Information for CVE-2026-42190

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Vendor Advisories for CVE-2026-42190 (1)

Other References for CVE-2026-42190 (1)

IV. Related Vulnerabilities

Same product: sdk
Same vendor: redwoodjs
Same weakness: CWE-352

V. Comments for CVE-2026-42190

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