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.
PoC: CVE-2025-55183_POC
CVE-2025-55183 POC
PoC: CVE-2025-55183-poc
PoC for CVE-2025-55183
PoC: CVE-2025-55183
A CVE-2025-55183 secret miner
PoC: react-server-cve-lab
Security research lab for CVE-2025-55183 and CVE-2025-55184 in React Server Components
PoC: RSC-Scanner-POC
CVE-2025-55183 Scanner
PoC: nextjs-security-update
Batch upgrade all your Next.js apps to patched versions - fight back against CVE-2025-55183/55184/67779
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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