{"id":"CVE-2026-23870","sourceIdentifier":"cve-assign@fb.com","published":"2026-05-06T17:16:22.043","lastModified":"2026-08-12T15:51:57.517","vulnStatus":"Analyzed","cveTags":[],"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)."}],"affected":[{"source":"cve-assign@fb.com","affectedData":[{"vendor":"Meta","product":"react-server-dom-turbopack","defaultStatus":"unaffected","versions":[{"version":"19.0.0","lessThanOrEqual":"19.0.5","versionType":"semver","status":"affected"},{"version":"19.1.0","lessThanOrEqual":"19.1.6","versionType":"semver","status":"affected"},{"version":"19.2.0","lessThanOrEqual":"19.2.5","versionType":"semver","status":"affected"}]},{"vendor":"Meta","product":"react-server-dom-parcel","defaultStatus":"unaffected","versions":[{"version":"19.0.0","lessThanOrEqual":"19.0.5","versionType":"semver","status":"affected"},{"version":"19.1.0","lessThanOrEqual":"19.1.6","versionType":"semver","status":"affected"},{"version":"19.2.0","lessThanOrEqual":"19.2.5","versionType":"semver","status":"affected"}]},{"vendor":"Meta","product":"react-server-dom-webpack","defaultStatus":"unaffected","versions":[{"version":"19.0.0","lessThanOrEqual":"19.0.5","versionType":"semver","status":"affected"},{"version":"19.1.0","lessThanOrEqual":"19.1.6","versionType":"semver","status":"affected"},{"version":"19.2.0","lessThanOrEqual":"19.2.5","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve-assign@fb.com","type":"Secondary","cvssData":{"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","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-06T19:03:16.700440Z","id":"CVE-2026-23870","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-parcel:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.0.0","versionEndIncluding":"19.0.5","matchCriteriaId":"A1678B87-ED02-4BF8-A08C-A87759FDFAEC"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-parcel:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.1.0","versionEndIncluding":"19.1.6","matchCriteriaId":"D6962C45-D7EC-4DF0-B9C6-DB96A84384FA"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-parcel:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.2.0","versionEndIncluding":"19.2.5","matchCriteriaId":"640841EA-DA32-4459-9F6A-FCAC50E3D446"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-turbopack:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.0.0","versionEndIncluding":"19.0.5","matchCriteriaId":"B1F8B3DF-589C-4CEC-9BD6-854B23406AF0"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-turbopack:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.1.0","versionEndIncluding":"19.1.6","matchCriteriaId":"532D814C-29FF-400A-971F-49C16C6AA131"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-turbopack:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.2.0","versionEndIncluding":"19.2.5","matchCriteriaId":"385AECA1-DEF6-4349-9BFD-807B071740F1"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-webpack:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.0.0","versionEndIncluding":"19.0.5","matchCriteriaId":"AA8882E3-789E-4A7B-B47E-6286F60F719E"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-webpack:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.1.0","versionEndIncluding":"19.1.6","matchCriteriaId":"BB14FFF9-8903-4AAC-A563-B498394C75C0"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:react-server-dom-webpack:*:*:*:*:*:node.js:*:*","versionStartIncluding":"19.2.0","versionEndIncluding":"19.2.5","matchCriteriaId":"7A563960-4696-481F-8BAB-5A437AB5F14A"}]}]}],"references":[{"url":"https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh","source":"cve-assign@fb.com","tags":["Vendor Advisory"]}]}