CVE-2026-23870

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Summary

CVECVE-2026-23870
StatePUBLISHED
AssignerMeta
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 17:16:22 UTC
Updated2026-05-07 14:52:27 UTC
DescriptionA 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).

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.003220000 probability, percentile 0.551780000 (date 2026-05-11)

Problem Types: (CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Meta React-server-dom-turbopack affected 19.0.0 19.0.5 semver Not specified
CNA Meta React-server-dom-turbopack affected 19.1.0 19.1.6 semver Not specified
CNA Meta React-server-dom-turbopack affected 19.2.0 19.2.5 semver Not specified
CNA Meta React-server-dom-parcel affected 19.0.0 19.0.5 semver Not specified
CNA Meta React-server-dom-parcel affected 19.1.0 19.1.6 semver Not specified
CNA Meta React-server-dom-parcel affected 19.2.0 19.2.5 semver Not specified
CNA Meta React-server-dom-webpack affected 19.0.0 19.0.5 semver Not specified
CNA Meta React-server-dom-webpack affected 19.1.0 19.1.6 semver Not specified
CNA Meta React-server-dom-webpack affected 19.2.0 19.2.5 semver Not specified

References

ReferenceSourceLinkTags
github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh [email protected] github.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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