Description
An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- unchanged
- Confidentiality
- low
- Integrity
- none
- Availability
- none
- Weaknesses
- NVD-CWE-noinfo
Metadata
- Primary Vendor
- Published
- 12/11/2025
- Last Modified
- 12/12/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
facebook : reactfacebook : reactfacebook : reactvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.js
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