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of Untrusted Data","description":"The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid."},{"cwe_id":937,"name":"OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."},{"cwe_id":1035,"name":"OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."}],"exploits":[{"date_added":null,"description":"A critical unauthenticated Remote Code Execution (RCE) vulnerability exists in React Server\n          Components (RSC) Flight protocol. The vulnerability allows attackers to achieve prototype\n          pollution during deserialization of RSC payloads by sending specially crafted multipart\n          requests with \"__proto__\", \"constructor\", or \"prototype\" as module names.\n\n          This module supports multiple vulnerable frameworks including Next.js and Waku.","required_action":null,"due_date":null,"notes":"AKA:\n  - React2Shell\nStability:\n  - crash-safe\nSideEffects:\n  - ioc-in-logs\nReliability:\n  - repeatable-session\n","known_ransomware_campaign_use":false,"source_date_published":"2025-12-03","exploit_type":null,"platform":"Linux,Unix,Windows","source_date_updated":null,"data_source":"Metasploit","source_url":"https://github.com/rapid7/metasploit-framework/tree/master/modules/exploits/multi/http/react2shell_unauth_rce_cve_2025_55182.rb"},{"date_added":"2025-12-05","description":"Meta React Server Components contains a remote code execution vulnerability that could allow unauthenticated remote code execution by exploiting a flaw in how React decodes payloads sent to React Server Function endpoints. Please note CVE-2025-66478 has been rejected, but it is associated with CVE-2025- 55182.","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","due_date":"2025-12-12","notes":"Check for signs of potential compromise on all internet accessible REACT instances after applying mitigations. For more information, please see: https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components ; https://github.com/vercel-labs/fix-react2shell-next?tab=readme-ov-file ; https://nvd.nist.gov/vuln/detail/CVE-2025-55182","known_ransomware_campaign_use":true,"source_date_published":null,"exploit_type":null,"platform":null,"source_date_updated":null,"data_source":"KEV","source_url":null},{"date_added":"2026-04-09","description":"React Server 19.2.0 - Remote Code Execution","required_action":null,"due_date":null,"notes":null,"known_ransomware_campaign_use":false,"source_date_published":"2026-04-09","exploit_type":"webapps","platform":"multiple","source_date_updated":"2026-04-09","data_source":"Exploit-DB","source_url":""}],"severity_range_score":"9.0 - 10.0","exploitability":"0.5","weighted_severity":"9.0","risk_score":4.5,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-k1q6-b8t3-hqb6"}