Detections
Analytics
Next.js Framework React Server Components Source Code Exposure (CVE-2025-55183)
medium Nessus Plugin ID 279413
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Synopsis
The Next.js Framework on the remote host is affected by a source code exposure vulnerability.Description
The Next.js Framework on the remote host is affected by a source code exposure vulnerability:- 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. (CVE-2025-55183)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade to Next.js Framework version 15.0.7, 15.1.11, 15.2.8, 15.3.8, 15.4.10, 15.5.9, 15.6.0-canary.60, 16.0.10, 16.1.0-canary.19 or later.See Also
Plugin Details
Severity: Medium
ID: 279413
File Name: nextjs_framework_CVE-2025-55183.nasl
Version: 1.1
Type: local
Agent: windows, macosx, unix
Family: Misc.
Published: 12/19/2025
Updated: 12/19/2025
Configuration: Enable thorough checks (optional)
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.5
CVSS v2
Risk Factor: Medium
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2025-55183
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability Information
CPE: cpe:/a:vercel:next.js
Required KB Items: Host/nodejs/modules/enumerated
Patch Publication Date: 12/11/2025
Vulnerability Publication Date: 12/11/2025
Reference Information
CVE: CVE-2025-55183
IAVA: 2025-A-0929