CVE-2026-23869

HIGH

7.5

Description

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/8/2026

Derniere modification4/8/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-400CWE-502

References

https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg(cve-assign@fb.com)

Correlations IOC

Aucune correlation enregistree

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