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CVE-2025-55183

Published: Dec 11, 2025Updated: Dec 12, 2025 Sources: CVE List NVD GHSANVD-CWE-noinfo
5.3MEDIUM
NVD MITRE
EPSS Score
64.2%
Top 0.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

NVD-CWE-noinfo

Affected Products

Meta
commercial·USaka react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack
react-server-dom-webpackLibrary
OSS Libraries / web-framework
react-server-dom-turbopackLibrary
OSS Libraries / web-framework
react-server-dom-parcelLibrary
OSS Libraries / web-framework
npm
package-ecosystem
react-server-dom-parcel
OSS Libraries
react-server-dom-turbopack
OSS Libraries
react-server-dom-webpack
OSS Libraries
facebook
commercial·USaka facebook inc., meta
react
Communications
vercel
commercial·US
next.jsLibraryLibrary
OSS Libraries / web-framework

Exploitability

Official Patch Available
Is your org exposed to CVE-2025-55183?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components
react.dev
https://www.facebook.com/security/advisories/cve-2025-55183
facebook.com
https://github.com/facebook/react/security/advisories/GHSA-925w-6v3x-g4j4
github.com
and 2 more references View all →

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