CVE-2026-23870
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
Facebook React has a Denial of Service Vulnerability in React Server Components
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| 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 |
| npm | react-server-dom-parcel | >=19.1.0,<19.1.7 | 19.1.7 |
| npm | react-server-dom-turbopack | >=19.1.0,<19.1.7 | 19.1.7 |
| npm | react-server-dom-webpack | >=19.1.0,<19.1.7 | 19.1.7 |
| npm | react-server-dom-parcel | >=19.2.0,<19.2.6 | 19.2.6 |
| npm | react-server-dom-turbopack | >=19.2.0,<19.2.6 | 19.2.6 |
| npm | react-server-dom-webpack | >=19.2.0,<19.2.6 | 19.2.6 |
| NPM | react-server-dom-webpack | >= 19.2.0, < 19.2.6 | 19.2.6 |
| NPM | react-server-dom-turbopack | >= 19.2.0, < 19.2.6 | 19.2.6 |
| NPM | react-server-dom-parcel | >= 19.2.0, < 19.2.6 | 19.2.6 |
| NPM | react-server-dom-webpack | >= 19.1.0, < 19.1.7 | 19.1.7 |
| NPM | react-server-dom-turbopack | >= 19.1.0, < 19.1.7 | 19.1.7 |
| NPM | react-server-dom-parcel | >= 19.1.0, < 19.1.7 | 19.1.7 |
| NPM | react-server-dom-webpack | >= 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-parcel | >= 19.0.0, < 19.0.6 | 19.0.6 |
References
- 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
- https://github.com/facebook/react
- https://github.com/advisories/GHSA-rv78-f8rc-xrxh
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.