GHSA-fv66-9v8q-g76r: react-server-dom-webpack fixed in 19.2.1, 19.1.2 and 19.0.1

GHSA-fv66-9v8q-g76r PUBLISHED CVSS 10 CRITICAL

React Server Components are Vulnerable to RCE

Record from GitHub Advisory Database · Published December 3, 2025

react-server-dom-webpack is fixed in 19.2.1, 19.1.2 and 19.0.1 (npm)

React Server Components are Vulnerable to RCE

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
react-server-dom-webpack	npm	19.2.1, 19.1.2, 19.0.1
react-server-dom-turbopack	npm	19.2.1, 19.1.2, 19.0.1
react-server-dom-parcel	npm	19.2.1, 19.1.2, 19.0.1

Risk scores

CVSS 3.1

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

Affected products

Vendor	Product	Versions
npm	react-server-dom-webpack	19.2.0, 19.0.0, 19.0.0
npm	react-server-dom-turbopack	19.2.0, 19.0.0, 19.1.0
npm	react-server-dom-parcel	19.1.0, 19.2.0, 19.0.0

Timeline

Jun 24, 2024 PoC Published (8 in total, the first dated here)
Dec 3, 2025 CVE Published
Apr 30, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-fv66-9v8q-g76r
vulnetix vdb fixes GHSA-fv66-9v8q-g76r

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-fv66-9v8q-g76r/fixes/registry"

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References

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