CVE-2025-55183

{"id": "CVE-2025-55183", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve-assign@fb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2025-12-11T20:16:00.460", "references": [{"url": "https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components", "tags": ["Exploit", "Vendor Advisory"], "source": "cve-assign@fb.com"}, {"url": "https://www.facebook.com/security/advisories/cve-2025-55183", "tags": ["Vendor Advisory"], "source": "cve-assign@fb.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument."}], "lastModified": "2025-12-12T18:18:19.950", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B63E074-FEA2-495B-98C6-9D74E343A1C0", "versionEndExcluding": "19.0.2", "versionStartIncluding": "19.0.0"}, {"criteria": "cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C133EED-6729-453F-B832-3E5A7EC22E92", "versionEndExcluding": "19.1.3", "versionStartIncluding": "19.1.0"}, {"criteria": "cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE6F153C-825C-41B6-BE6F-2552A26307E0", "versionEndExcluding": "19.2.2", "versionStartIncluding": "19.2.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "vulnerable": true, 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