Home / CVE DB / CVE-2026-23864
Standard
Vulnerability Identifier

CVE-2026-23864

2026-01-26
Severity Assessment
7.5
HIGH
CVSS v3.x Score
Clinical Analysis (Description)

Multiple denial of service vulnerabilities exist in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack, react-server-dom-webpack.

The vulnerabilities are triggered by sending specially crafted HTTP requests to Server Function endpoints, and could lead to server crashes, out-of-memory exceptions or excessive CPU usage; depending on the vulnerable code path being exercised, the application configuration and application code.

Strongly consider upgrading to the latest package versions to reduce risk and prevent availability issues in applications using React Server Components.

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-400

Affected Population

Affected Configurations

Total: 13 detected entries

Software List Scrollable
fa
react
Vendor: facebook • v19.1.2
fa
react
Vendor: facebook • v19.0.2
fa
react
Vendor: facebook • v19.2.0
fa
react
Vendor: facebook • v19.1.3
fa
react
Vendor: facebook • v19.2.1
fa
react
Vendor: facebook • v19.0.3
fa
react
Vendor: facebook • v19.0.0
fa
react
Vendor: facebook • v19.0.1
fa
react
Vendor: facebook • v19.1.4
fa
react
Vendor: facebook • v19.2.2
fa
react
Vendor: facebook • v19.1.0
fa
react
Vendor: facebook • v19.2.3
fa
react
Vendor: facebook • v19.1.1
Timeline

Time Line

PUBLICATION
26 Jan 2026
MODIFICATION
13 Feb 2026
FIRST PATCH
21 Apr 2026
Impact Statistics

Key Metrics

CVSS Score
7.5
HIGH
Products
13
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.