CVE-2025-55182

Published: Dec 3, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

10.0

CRITICAL

Description

A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.

Vendor	Product	Versions
Meta	react-server-dom-webpack	affected `19.0.0 - <= 19.0.0` affected `19.1.0 - <= 19.1.1` affected `19.2.0 - <= 19.2.0`
Meta	react-server-dom-turbopack	affected `19.0.0 - <= 19.0.0` affected `19.1.0 - <= 19.1.1` affected `19.2.0 - <= 19.2.0`
Meta	react-server-dom-parcel	affected `19.0.0 - <= 19.0.0` affected `19.1.0 - <= 19.1.1` affected `19.2.0 - <= 19.2.0`

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

https://www.facebook.com/security/advisories/cve-2025-55182

x_refsource_CONFIRM

https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components

x_refsource_CONFIRM

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CVE-2025-55182

Description

Affected Products

CVSS v3.1 Details

References