CVE-2026-42190

Name: CVE-2026-42190
Creator: NVD / NIST
Published: 2026-05-08T20:16:31.58+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2026-42190 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions	Update
Redwoodjs	Redwoodsdk	>= 1.0.1, < 1.2.3	—
Redwoodjs	Redwoodsdk	1.0.0	Beta50

References

https://github.com/redwoodjs/sdk/releases/tag/v1.2.3Product, Release Notes
https://github.com/redwoodjs/sdk/security/advisories/GHSA-m2m6-cff5-3w7cVendor Advisory

Timeline

Published: May 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-42190?

How severe is CVE-2026-42190?

CVE-2026-42190 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42190?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42190?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST