PortSwigger Research
PortSwigger Research reports that React Server Components and Next.js carry critical remote code execution vulnerabilities tracked as CVE-2025-55182 (React) and CVE-2025-66478 (Next.js), with a CVSS score of 10.0. The flaw allows unauthenticated attackers...
Vulnerabilities & Patching
PortSwigger Research
PortSwigger released two updates on December 5, 2025, so that default scans in both versions of Burp Suite can detect React2Shell (CVE-2025-55182 and CVE-2025-66478) in Next.js applications without extensions, custom checks, or scripts. The two critical...
Vulnerabilities & Patching
PortSwigger Research
PortSwigger released Burp Suite Professional/Community 2025.10.7 on 8 December 2025, adding a new active scan check for React2Shell, a critical remote code execution vulnerability affecting React Server Components in React and Next.js, tracked as...
Vulnerabilities & Patching
PortSwigger Research
PortSwigger released Burp Suite Professional and Community 2025.11.3 on 8 December 2025, adding a new active scan check for React2Shell, a critical remote code execution vulnerability affecting React Server Components in React and Next.js, tracked as...
Vulnerabilities & Patching
Unit 42 Palo Alto Networks
Unit 42 documented post-exploitation activity following exploitation of CVE-2025-55182, a CVSS 10.0 insecure deserialization flaw in the React Server Components Flight protocol disclosed Dec. 3, 2025, which allows unauthenticated attackers to execute...
Threat Actors & Nation-State