CVE-2026-23864 | BDVDB-2026-312468 Detail
Metareact-server-dom-webpack
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
References#
- https://www.facebook.com/security/advisories/cve-2026-23864
- https://access.redhat.com/security/cve/CVE-2026-23864
- https://bugzilla.redhat.com/show_bug.cgi?id=2433059
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23864.json
- https://access.redhat.com/errata/RHSA-2026:34608
- https://access.redhat.com/errata/RHSA-2026:13571
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.