Title: Meta, Description: Una vulnerabilidad de denegación de servicio existe en los Componentes de Servidor de React, que afecta a los siguientes paquetes: react-server-dom-parcel, react-server-dom-turbopack y react-server-dom-webpack (versiones 19.0.0 a 19.0.4, 19.1.0 a 19.1.5, y 19.2.0 a 19.2.4). La vulnerabilidad se activa al enviar solicitudes HTTP especialmente diseñadas a los puntos finales de la Función de Servidor. La carga útil de la solicitud HTTP causa un uso excesivo de la CPU durante hasta un minuto, terminando en un error lanzado que es capturable.

[{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:openshift_ai"]}]

[{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"rhoai/odh-dashboard-rhel9","cpes":["cpe:/a:redhat:openshift_ai"]}]

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770

https://access.redhat.com/security/cve/CVE-2026-23869

https://bugzilla.redhat.com/show_bug.cgi?id=2456663

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23869.json

[{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:openshift_ai"]}]

{"timestamp":"2026-04-08T19:55:33.314236Z","id":"CVE-2026-23869","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

[{"vendor":"Meta","product":"react-server-dom-turbopack","defaultStatus":"unaffected","versions":[{"version":"19.0.0","lessThanOrEqual":"19.0.4","versionType":"semver","status":"affected"},{"version":"19.1.0","lessThanOrEqual":"19.1.5","versionType":"semver","status":"affected"},{"version":"19.2.0","lessThanOrEqual":"19.2.4","versionType":"semver","status":"affected"}]},{"vendor":"Meta","product":"react-server-dom-parcel","defaultStatus":"unaffected","versions":[{"version":"19.0.0","lessThanOrEqual":"19.0.4","versionType":"semver","status":"affected"},{"version":"19.1.0","lessThanOrEqual":"19.1.5","versionType":"semver","status":"affected"},{"version":"19.2.0","lessThanOrEqual":"19.2.4","versionType":"semver","status":"affected"}]},{"vendor":"Meta","product":"react-server-dom-webpack","defaultStatus":"unaffected","versions":[{"version":"19.0.0","lessThanOrEqual":"19.0.4","versionType":"semver","status":"affected"},{"version":"19.1.0","lessThanOrEqual":"19.1.5","versionType":"semver","status":"affected"},{"version":"19.2.0","lessThanOrEqual":"19.2.4","versionType":"semver","status":"affected"}]}]

CWE-400

CWE-502

A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack (versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4). The vulnerability is triggered by sending specially crafted HTTP requests to Server Function endpoints.The payload of the HTTP request causes excessive CPU usage for up to a minute ending in a thrown error that is catchable.

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg