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Meta warns of critical vulnerability in React Server Components

Techzine.Eu • December 4, 2025

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Meta discovers critical vulnerability in React Server Components with a score of 10.0. Unauthenticated code execution possible.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical React Flaw CVE-2025-55182 Exposes Major Security Risks A maximum-severity vulnerability in the React JavaScript library, tracked as CVE-2025-55182, allows unauthenticated remote code execution on affected instances. Security researchers report that 39 percent of cloud environments are vulnerable, and exploitation is expected to occur imminently. Developers are actively working to patch the flaw as it threatens numerous applications relying on React Server Components. 47 sources 62

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Platforms (1)

React Server Components