Description
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).
Published: 2026-05-06
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-rv78-f8rc-xrxh Facebook React has a Denial of Service Vulnerability in React Server Components
History

Thu, 07 May 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Facebook
Facebook react-server-dom-parcel
Facebook react-server-dom-turbopack
Facebook react-server-dom-webpack
Vendors & Products Facebook
Facebook react-server-dom-parcel
Facebook react-server-dom-turbopack
Facebook react-server-dom-webpack

Wed, 06 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 06 May 2026 17:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via Crafted HTTP Requests in Meta React Server DOM Packages
Weaknesses CWE-770

Wed, 06 May 2026 16:45:00 +0000

Type Values Removed Values Added
Description 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).
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Subscriptions

Facebook React-server-dom-parcel React-server-dom-turbopack React-server-dom-webpack
cve-icon MITRE

Status: PUBLISHED

Assigner: Meta

Published:

Updated: 2026-05-06T19:06:00.435Z

Reserved: 2026-01-16T19:49:26.309Z

Link: CVE-2026-23870

cve-icon Vulnrichment

Updated: 2026-05-06T19:05:53.869Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-06T17:16:22.043

Modified: 2026-05-07T14:52:27.380

Link: CVE-2026-23870

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-07T18:15:34Z

Weaknesses