{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-55183", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "state": "PUBLISHED", "assignerShortName": "Meta", "dateReserved": "2025-08-08T18:21:47.119Z", "datePublished": "2025-12-11T20:04:48.655Z", "dateUpdated": "2025-12-11T20:09:32.286Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "react-server-dom-webpack", "vendor": "Meta", "versions": [{"lessThanOrEqual": "19.0.1", "status": "affected", "version": "19.0.0", "versionType": "semver"}, {"lessThanOrEqual": "19.1.2", "status": "affected", "version": "19.1.0", "versionType": "semver"}, {"lessThanOrEqual": "19.2.1", "status": "affected", "version": "19.2.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "react-server-dom-turbopack", "vendor": "Meta", "versions": [{"lessThanOrEqual": "19.0.1", "status": "affected", "version": "19.0.0", "versionType": "semver"}, {"lessThanOrEqual": "19.1.2", "status": "affected", "version": "19.1.0", "versionType": "semver"}, {"lessThanOrEqual": "19.2.1", "status": "affected", "version": "19.2.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "react-server-dom-parcel", "vendor": "Meta", "versions": [{"lessThanOrEqual": "19.0.1", "status": "affected", "version": "19.0.0", "versionType": "semver"}, {"lessThanOrEqual": "19.1.2", "status": "affected", "version": "19.1.0", "versionType": "semver"}, {"lessThanOrEqual": "19.2.1", "status": "affected", "version": "19.2.0", "versionType": "semver"}]}], "dateAssigned": "2025-12-09T00:00:00.000Z", "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."}], "problemTypes": [{"descriptions": [{"description": "(CWE-502) Deserialization of Untrusted Data. (CWE-497) Exposure of Sensitive System Information to an Unauthorized Actor", "lang": "en"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "Meta", "dateUpdated": "2025-12-11T20:09:32.286Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2025-55183"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}]}}}

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"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."}], "id": "CVE-2025-55183", "lastModified": "2025-12-12T18:18:19.950", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cve-assign@fb.com", "type": "Secondary"}]}, "published": "2025-12-11T20:16:00.460", "references": [{"source": "cve-assign@fb.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components"}, {"source": "cve-assign@fb.com", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2025-55183"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}