What is CVE-2026-39371?

CVE-2026-39371 is a high-severity vulnerability in Redwoodjs Redwoodsdk, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2026-04-07.

How severe is CVE-2026-39371?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2026-39371 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Redwoodjs Redwoodsdk

CVE-2026-39371

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…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

Affected products

Redwoodjs Redwoodsdk — versions 1.0.0
Redwoodjs Sdk — versions >= 1.0.0-beta.50, < 1.0.6

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

zebbernCVE/CVE-2026-39371

References

https://github.com/redwoodjs/sdk/security/advisories/GHSA-x8rx-789c-2pxq (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-39371?: CVE-2026-39371 is a high-severity vulnerability in Redwoodjs Redwoodsdk, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2026-04-07.
How severe is CVE-2026-39371?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2026-39371 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.