CVE-2025-55183
React Server Components vulnerability analysis and mitigation

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.


SourceNVD

Related React Server Components vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-55182CRITICAL10
  • JavaScriptJavaScript
  • waku
YesYesDec 03, 2025
CVE-2025-67779HIGH7.5
  • React Server ComponentsReact Server Components
  • @vitejs/plugin-rsc
NoYesDec 12, 2025
CVE-2025-55184HIGH7.5
  • React Server ComponentsReact Server Components
  • next
NoYesDec 11, 2025
CVE-2025-55183MEDIUM5.3
  • React Server ComponentsReact Server Components
  • react-server-dom-parcel
NoYesDec 11, 2025

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