CVE-2026-23870 - Vulnerability Details - OpenCVE

ReportizFlow

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).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh

History

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		https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh
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'}`

MITRE

Status: PUBLISHED

Assigner: Meta

Published: 2026-05-06T16:24:55.620Z

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

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

Link: CVE-2026-23870

Vulnrichment

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

NVD

Status : Received

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

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

Link: CVE-2026-23870

Redhat

No data.

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