Allocation of Resources Without Limits or Throttling Affecting react-server-dom-webpack package, versions >=19.0.0 <19.0.6>=19.1.0 <19.1.7>=19.2.0 <19.2.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published7 May 2026
- disclosed6 May 2026
- creditUnknown
Introduced: 6 May 2026
NewCVE-2026-23870 (opens in a new tab)How to fix?
Upgrade react-server-dom-webpack to version 19.0.6, 19.1.7, 19.2.6 or higher.
Overview
react-server-dom-webpack is a React Server Components bindings for DOM using Webpack. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via server function endpoints. An attacker can cause out-of-memory exceptions or induce excessive CPU usage by sending malicious FormData in an HTTP request.
Note: Only react apps that use React Server Components are vulnerable.