Live Exploit TrackerReact2Shell - RCE (CVE-2025-55182)
25775Exploiting IPs reported
A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
CrowdSec analysis
CVE-2025-55182 is a critical vulnerability in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
CrowdSec has been tracking this vulnerability and its exploits since 4th of December 2025.
CrowdSec network data shows that most actors exploiting CVE-2025-55182 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. CrowdSec data also reveals a clear uptick in attacks involving CVE-2025-55182 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
Attackers can exploit this vulnerability by sending specially crafted HTTP requests to Server Function endpoints in React Server Components. By manipulating the payloads, they can trigger unsafe deserialization, leading to remote code execution on the affected server without requiring authentication.
Exploitation
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Exploit Timeline
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Common Weakness Enumeration (CWE)
Protection
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