CVE-2025-55183

Published: Dec 11, 2025Updated: Dec 12, 2025 Sources: CVE List NVD GHSANVD-CWE-noinfo

5.3MEDIUM

NVD MITRE

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

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

Exploitability

Official Patch Available

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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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