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CVE-2026-23869

Meta / react-server-dom-turbopack PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Meta / react-server-dom-turbopackaffected 19.0.0 through 19.0.4; affected 19.1.0 through 19.1.5; affected 19.2.0 through 19.2.4
Meta / react-server-dom-parcelaffected 19.0.0 through 19.0.4; affected 19.1.0 through 19.1.5; affected 19.2.0 through 19.2.4
Meta / react-server-dom-webpackaffected 19.0.0 through 19.0.4; affected 19.1.0 through 19.1.5; affected 19.2.0 through 19.2.4

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A flaw was found in react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack. Specially crafted HTTP requests to server function endpoints can result in an excessive consumption of CPU resources for up to a minute, causing an error that is catchable.