CVE-2025-55183: Source Code Exposure Vulnerability in React Server Components
There is a source code exposure vulnerability in React Server Components.
React recommends updating immediately.
The vulnerability exists in versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1 of:
These issues are present in the patches published last week.
References
- github.com/advisories/GHSA-925w-6v3x-g4j4
- github.com/facebook/react
- github.com/facebook/react/security/advisories/GHSA-925w-6v3x-g4j4
- nvd.nist.gov/vuln/detail/CVE-2025-55183
- react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components
- www.facebook.com/security/advisories/cve-2025-55183
Code Behaviors & Features
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