CVE-2026-23870High· 7.5▾ MidnightPoC availableA 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 pac…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.3 · likelihood 0.3 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Aug 13.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
1.5%
2 GitHub repos
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).
react-server-dom-parcel >= 19.0.0, <= 19.0.5react-server-dom-parcel >= 19.1.0, <= 19.1.6react-server-dom-parcel >= 19.2.0, <= 19.2.5react-server-dom-turbopack >= 19.0.0, <= 19.0.5react-server-dom-turbopack >= 19.1.0, <= 19.1.6react-server-dom-turbopack >= 19.2.0, <= 19.2.5react-server-dom-webpack >= 19.0.0, <= 19.0.5react-server-dom-webpack >= 19.1.0, <= 19.1.6react-server-dom-webpack >= 19.2.0, <= 19.2.5Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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