High Severity Vulnerability
This vulnerability has been rated as High severity. Immediate action is recommended.
CVE-2026-23864
HighVulnerability 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.
CVSS Metrics
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Known Affected Software
13 configuration(s) from 1 vendor(s)
cpe:2.3:a:facebook:react:19.1.2:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.0.2:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.2.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.1.3:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.2.1:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.0.3:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.0.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.0.1:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.1.4:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.2.2:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.1.0:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.2.3:*:*:*:*:*:*:*
cpe:2.3:a:facebook:react:19.1.1:*:*:*:*:*:*:*
CPUAPR2026
Oracle Critical Patch Update Advisory - April 2026
Severity Details
Weakness Type (CWE)
Uncontrolled Resource Consumption
- Description
- The product does not properly control the allocation and maintenance of a limited resource.
- Exploit Likelihood
- High
- Typical Severity
- High
- Abstraction Level
- Class
Key Information
- Published Date
- January 26, 2026
