{"_links":{"capec":{"href":"/api/v1/vulnerability/cve-2025-55184/capec"},"cvss":{"href":"/api/v1/vulnerability/cve-2025-55184/cvss"},"cwe":{"href":"/api/v1/vulnerability/cve-2025-55184/cwe"},"enrichment":{"href":"/api/v1/vulnerability/cve-2025-55184/enrichment"},"gcve":{"href":"/api/v1/vulnerability/cve-2025-55184/gcve"},"self":{"href":"/api/v1/vulnerability/cve-2025-55184/enrichment"},"sightings":{"href":"/api/v1/sightings/cve-2025-55184"},"vulnerability":{"href":"/api/v1/vulnerability/cve-2025-55184"}},"enrichments":{"nuclei":{"nuclei":true,"nuclei_template":"http/cves/2025/CVE-2025-55184.yaml","nuclei_template_severity":"high","nuclei_template_yaml":"id: CVE-2025-55184\n\ninfo:\n  name: React Server Components - Denial of Service\n  author: DhiyaneshDk\n  severity: high\n  description: |\n    React Server Components 19.0.0 to 19.2.1 including react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack contain an insecure deserialization vulnerability caused by unsafe payload deserialization in Server Function endpoints, letting unauthenticated attackers cause denial of service by hanging the server process.\n  impact: |\n    Unauthenticated attackers can cause the server to hang indefinitely, resulting in denial of service and preventing legitimate requests.\n  remediation: |\n    Update to the latest version beyond 19.2.1.\n  reference:\n    - https://vercel.com/kb/bulletin/security-bulletin-cve-2025-55184-and-cve-2025-55183#patched-versions\n    - https://www.facebook.com/security/advisories/cve-2025-55184\n    - https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components\n  classification:\n    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\n    cvss-score: 7.5\n    cve-id: CVE-2025-55184\n    epss-score: 0.66615\n    epss-percentile: 0.9929\n    cwe-id: CWE-502\n  metadata:\n    verified: true\n    max-request: 3\n    vendor: facebook\n    product: react\n    shodan-query: http.component:\"Next.js\"\n  tags: cve,cve2025,react,nextjs,dos,vkev\n\nflow: |\n  http(1);\n  for (let chunk of iterate(\"chunk_path\")) {\n    set(\"current_chunk\", chunk);\n    if (http(2)) {\n      http(3);\n      break;\n    }\n  }\n\nhttp:\n  - raw:\n      - |\n        GET / HTTP/1.1\n        Host: {{Hostname}}\n\n    host-redirects: true\n    max-redirects: 2\n\n    matchers:\n      - type: dsl\n        internal: true\n        dsl:\n          - 'contains(body, \"/_next/static/\")'\n          - 'status_code == 200'\n        condition: and\n\n    extractors:\n      - type: regex\n        name: chunk_path\n        part: body\n        internal: true\n        group: 1\n        regex:\n          - '\"(/_next/static/[^\"]+\\.js)\"'\n\n  - raw:\n      - |\n        GET {{current_chunk}} HTTP/1.1\n        Host: {{Hostname}}\n\n    host-redirects: true\n    max-redirects: 2\n\n    matchers:\n      - type: dsl\n        internal: true\n        dsl:\n          - 'compare_versions(react_version, \">= 19.0.0\", \"<= 19.2.1\")'\n          - 'status_code == 200'\n        condition: and\n\n    extractors:\n      - type: regex\n        name: react_version\n        part: body\n        internal: true\n        group: 1\n        regex:\n          - '\\.version;if\\(\"(\\d+\\.\\d+\\.\\d+)'\n\n  - raw:\n      - |\n        POST / HTTP/1.1\n        Host: {{Hostname}}\n        Accept: text/x-component\n        Content-Type: application/x-www-form-urlencoded\n        Next-Action: x\n\n        0=[\"$F1\"]&1={\"id\":\"x\",\"bound\":null}\n\n    matchers:\n      - type: dsl\n        dsl:\n          - 'contains(body, \"Server action not found\")'\n          - 'contains(content_type, \"text/plain\")'\n          - 'status_code == 404'\n        condition: and\n\n    extractors:\n      - type: dsl\n        dsl:\n          - '\"react=\" + react_version'\n# digest: 4b0a00483046022100de11957d4849dc82f4e19a3dba1b51d36d8d7b5249760ee5c4143a131390bbfe0221009c3d4786494837916b0c033e86bd399527a4053f47f1a3d97ed6ec14b922a6ab:922c64590222798bb761d5b6d8e72950"}},"vuln_id":"cve-2025-55184"}