{"id":"CVE-2025-55183","revision":"0cfb76f24a2c4694baea90d47ef9cb8e","records":[{"revision":"0cfb76f24a2c4694baea90d47ef9cb8e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-55183","aliases":[],"title":"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-tu…","description":"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.","state":0,"publishedAt":"2025-12-11T20:04:48.655+00:00","modifiedAt":"2026-01-07T16:26:47.826+00:00","affected":[{"ecosystem":"Vendor product","name":"react-server-dom-webpack","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"react-server-dom-webpack\",\n                    \"vendor\": \"Meta\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"19.0.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"19.1.2\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.1.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"19.2.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.2.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"react-server-dom-turbopack","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"react-server-dom-turbopack\",\n                    \"vendor\": \"Meta\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"19.0.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"19.1.2\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.1.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"19.2.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.2.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"react-server-dom-parcel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"react-server-dom-parcel\",\n                    \"vendor\": \"Meta\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"19.0.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"19.1.2\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.1.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"19.2.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"19.2.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://www.facebook.com/security/advisories/cve-2025-55183","https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-55183","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-55183","identifiers":["CVE-2025-55183"]},"retained":false,"historicalAffected":[]}],"coverage":[]}