Riskcovery

CVE-2026-23864

State
Published
Severity
7.5 High
Published
Jan 26, 2026
Updated
Jul 15, 2026
Reserved
Jan 16, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCISA-ADP
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hredhat-SADP

Weaknesses

  • CWE-502 Deserialization of Untrusted Data
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-1284 Improper Validation of Specified Quantity in Input

Affected Products

ProductVersions
react-server-dom-webpackMeta
  • 19.0.0 to before 19.0.4Affected
  • 19.1.0 to before 19.1.5Affected
  • 19.2.0 to before 19.2.4Affected
react-server-dom-turbopackMeta
  • 19.0.0 to before 19.0.4Affected
  • 19.1.0 to before 19.1.5Affected
  • 19.2.0 to before 19.2.4Affected
react-server-dom-parcelMeta
  • 19.0.0 to before 19.0.4Affected
  • 19.1.0 to before 19.1.5Affected
  • 19.2.0 to before 19.2.4Affected

References

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