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CVE-2026-23864
HIGH7.5
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.
CVE Details
CVSS v3.1 Score7.5
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published1/26/2026
Last Modified2/13/2026
Sourcenvd
Honeypot Sightings0
Affected Products
facebook:react
Weaknesses (CWE)
CWE-400CWE-502
References
https://www.facebook.com/security/advisories/cve-2026-23864(cve-assign@fb.com)
IOC Correlations
No correlations recorded
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