CVE-2026-23870A 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…
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It affects facebook react-server-dom-parcel and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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).
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
facebook react-server-dom-parcel facebook: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 | NVD |
facebook react-server-dom-turbopack facebook: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 | NVD |
facebook react-server-dom-webpack facebook: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 | NVD |
References
- https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxhvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.