Vulnerability in Meta React-server-dom-parcel

CVE-2026-44907

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

References

Frequently asked questions

What is CVE-2026-44907?
CVE-2026-44907 is a high-severity vulnerability in Meta React-server-dom-parcel, classified under CWE-502, CWE-400. CVSS score: 7.5/10. Published 2026-07-21.
How severe is CVE-2026-44907?
High severity. CVSS v3 base score is 7.5 out of 10.