HarborGuard / CVE
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HIGHCVE-2026-23870Published Modified CNA Meta

CVE-2026-23870: 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-serv

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).

Metrics

CVSS v3.1
7.5
Severity
HIGH
Fixed in
—
Affected Products
3
Affected packages
  • Meta / react-server-dom-turbopack
    ≤ 19.0.5 · ≤ 19.1.6 · ≤ 19.2.5
  • Meta / react-server-dom-parcel
    ≤ 19.0.5 · ≤ 19.1.6 · ≤ 19.2.5
  • Meta / react-server-dom-webpack
    ≤ 19.0.5 · ≤ 19.1.6 · ≤ 19.2.5
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References