CVE-2026-23864
Multiple denial of service vulnerabilities exist in React Server Components, affecting the following packages: react-server-dom-parcel, reac
CVSS
7.5
High
EPSS
2.5%
p83
KEV
—
Exploit Today
25
0-100
Published: Jan 26, 2026 · Last modified: Jul 15, 2026 · CWE-400 · CWE-502 · CWE-1284
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.
- www.facebook.comhttps://www.facebook.com/security/advisories/cve-2026-23864
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:13571
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:34608
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-23864
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2433059
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23864.json