Denial of Service and Source Code Exposure in React Server Components – React
December 11, 2025 by The React Team
Security researchers have found and disclosed two additional vulnerabilities in React Server Components while attempting to exploit the patches in last week’s critical vulnerability.These new vulnerabilities do not allow for Remote Code Execution. The patch for React2Shell remains effective at mitigating the Remote Code Execution exploit.
The new vulnerabilities are disclosed as:
Denial of Service - High Severity: CVE-2025-55184 (CVSS 7.5)
Source Code Exposure...
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