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CVE-2026-23870

Published: May 6, 2026Updated: May 7, 2026 Sources: CVE List NVD BDU
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.5%
Top 28.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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).

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
Open in CVSS calculator →

Affected Products

react-server-dom-parcelMeta Platforms Inc
Library
OSS Libraries / web-framework
react-server-dom-turbopackMeta Platforms Inc
Library
OSS Libraries / web-framework
react-server-dom-webpackMeta Platforms Inc
Library
OSS Libraries / web-framework
react-server-dom-turbopackMeta
Library
OSS Libraries / web-framework
react-server-dom-parcelMeta
Library
OSS Libraries / web-framework
meta platforms inccommercialUSOSS Librariesaka facebook, react-server-dom-parcel, hermes js, zstandard
metacommercialUSOSS Librariesaka react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack
and 1 more affected products View all →

Exploitability

Official Patch Available

References

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

Timeline

Published
May 6, 2026
Last Updated
May 7, 2026

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