CVE-2026-23864
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.
Published:Jan 26, 2026
Last Modified:Apr 18, 2026
EPS:Jan 26, 2026
EPSS Score:0.01456
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Facebook
Product
React
Facebook
React
Vendor
Facebook
Product
React-server-dom-parcel
Facebook
React-server-dom-parcel
Vendor
Facebook
Product
React-server-dom-turbopack
Facebook
React-server-dom-turbopack
Vendor
Facebook
Product
React-server-dom-webpack
Facebook
React-server-dom-webpack
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
