{"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":"2026-01-07T16:26:47.826Z"},"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"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-07T16:24:47.971492Z","id":"CVE-2025-55183","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-07T16:26:47.826Z"}}]}}