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CVE-2026-23870

Published: May 6, 2026Updated: May 7, 2026 Sources: CVE List NVD BDU
7.5HIGH
NVD MITRE
EPSS Score
1.5%
Top 27.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Affected Products

Meta
commercial·USaka react-server-dom-webpack, react-server-dom-turbopack, react-server-dom-parcel
react-server-dom-turbopackLibrary
OSS Libraries / web-framework
react-server-dom-parcelLibrary
OSS Libraries / web-framework
react-server-dom-webpackLibrary
OSS Libraries / web-framework
Meta Platforms Inc
commercial·USaka react-server-dom-parcel, hermes js, zstandard, facebook
react-server-dom-parcelLibrary
OSS Libraries / web-framework
react-server-dom-turbopackLibrary
OSS Libraries / web-framework
react-server-dom-webpackLibrary
OSS Libraries / web-framework

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-23870?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh
github.com

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