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Standard
Vulnerability Identifier

CVE-2025-55184

2025-12-11
Severity Assessment
7.5
HIGH
CVSS v3.x Score
Clinical Analysis (Description)

A pre-authentication denial of service vulnerability exists in 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. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.

Vector Sequencing

Attack Parameters

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Impact Consequences

Technical Impact

Unchanged
Scope
None
Confidentiality
None
Integrity
High
Availability
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Classification

CWE-CWE-502

Affected Population

Affected Configurations

Total: 2 detected entries

Software List Scrollable
ve
next.js
Vendor: vercel • v15.6.0
ve
next.js
Vendor: vercel • v16.1.0
Timeline

Time Line

PUBLICATION
11 Dec 2025
MODIFICATION
15 Dec 2025
FIRST PATCH
21 Apr 2026
Impact Statistics

Key Metrics

CVSS Score
7.5
HIGH
Products
2
Affected
Patches
1
Available
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.