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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).

PUBLISHED Reserved 2026-01-16 | Published 2026-05-06 | Updated 2026-05-06 | Assigner Meta




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

(CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption

Product status

Default status
unaffected

19.0.0 (semver)
affected

19.1.0 (semver)
affected

19.2.0 (semver)
affected

Default status
unaffected

19.0.0 (semver)
affected

19.1.0 (semver)
affected

19.2.0 (semver)
affected

Default status
unaffected

19.0.0 (semver)
affected

19.1.0 (semver)
affected

19.2.0 (semver)
affected

References

github.com/.../react/security/advisories/GHSA-rv78-f8rc-xrxh

cve.org (CVE-2026-23870)

nvd.nist.gov (CVE-2026-23870)

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