high7.5
CVE-2026-23870
A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes…
Impact
A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | react-server-dom-parcel | >= 19.0.0, < 19.0.6 | 19.0.6 |
| npm | react-server-dom-turbopack | >= 19.0.0, < 19.0.6 | 19.0.6 |
| npm | react-server-dom-webpack | >= 19.0.0, < 19.0.6 | 19.0.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| React-Server-Dom-Parcel | from 19.0.0 through 19.0.5 from 19.1.0 through 19.1.6 from 19.2.0 through 19.2.5 | |
| React-Server-Dom-Turbopack | from 19.0.0 through 19.0.5 from 19.1.0 through 19.1.6 from 19.2.0 through 19.2.5 | |
| React-Server-Dom-Webpack | from 19.0.0 through 19.0.5 from 19.1.0 through 19.1.6 from 19.2.0 through 19.2.5 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-rv78-f8rc-xrxh
- https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh
- https://github.com/vercel/next.js/security/advisories/GHSA-8h8q-6873-q5fj
- https://github.com/vitejs/vite-plugin-react/security/advisories/GHSA-w94c-4vhp-22gx
- https://nvd.nist.gov/vuln/detail/CVE-2026-23870