{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23870","assignerOrgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","state":"PUBLISHED","assignerShortName":"Meta","dateReserved":"2026-01-16T19:49:26.309Z","datePublished":"2026-05-06T16:24:55.620Z","dateUpdated":"2026-05-06T19:06:00.435Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"react-server-dom-turbopack","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"react-server-dom-parcel","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"react-server-dom-webpack","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}],"dateAssigned":"2026-05-06T00:00:00.000Z","descriptions":[{"lang":"en","value":"A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5)."}],"problemTypes":[{"descriptions":[{"description":"(CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption","lang":"en"}]}],"providerMetadata":{"orgId":"4fc57720-52fe-4431-a0fb-3d2c8747b827","shortName":"Meta","dateUpdated":"2026-05-06T16:24:55.620Z"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh"}],"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:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-06T19:03:16.700440Z","id":"CVE-2026-23870","options":[{"Exploitation":"none"},{"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":"2026-05-06T19:06:00.435Z"}}]}}