CVE-2026-23864
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-26

Last updated on: 2026-02-13

Assigner: Facebook, Inc.

Description
Multiple denial of service vulnerabilities exist in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack, react-server-dom-webpack. The vulnerabilities are triggered by sending specially crafted HTTP requests to Server Function endpoints, and could lead to server crashes, out-of-memory exceptions or excessive CPU usage; depending on the vulnerable code path being exercised, the application configuration and application code. Strongly consider upgrading to the latest package versions to reduce risk and prevent availability issues in applications using React Server Components.
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Meta Information
Published
2026-01-26
Last Modified
2026-02-13
Generated
2026-06-16
AI Q&A
2026-01-26
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23864
EUVD
EUVD-2026-4673
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
facebook react From 19.0.0 (inc) to 19.0.4 (exc)
facebook react From 19.1.0 (inc) to 19.1.5 (exc)
facebook react From 19.2.0 (inc) to 19.2.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

This vulnerability involves multiple denial of service issues in React Server Components, specifically in the packages react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerabilities can be triggered by sending specially crafted HTTP requests to Server Function endpoints, which may cause server crashes, out-of-memory exceptions, or excessive CPU usage depending on the code path, application configuration, and code.

Impact Analysis

The impact of this vulnerability includes potential denial of service conditions such as server crashes, out-of-memory exceptions, and excessive CPU usage. These issues can lead to application unavailability and degraded performance, affecting the reliability and stability of applications using React Server Components.

Mitigation Strategies

Strongly consider upgrading to the latest package versions of react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack to reduce risk and prevent availability issues caused by these denial of service vulnerabilities.

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