Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-55183

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
11/12/2025
Last modified:
12/12/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
5.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:* 19.0.0 (including) 19.0.2 (excluding)
cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:* 19.1.0 (including) 19.1.3 (excluding)
cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:* 19.2.0 (including) 19.2.2 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 15.0.0 (including) 15.0.7 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 15.1.0 (including) 15.1.11 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 15.2.0 (including) 15.2.8 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 15.3.0 (including) 15.3.8 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 15.4.0 (including) 15.4.10 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 15.5.0 (including) 15.5.9 (excluding)
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* 16.0.0 (including) 16.0.10 (excluding)
cpe:2.3:a:vercel:next.js:15.6.0:-:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary0:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary1:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary10:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary11:*:*:*:node.js:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools