Vulnerability Intelligence Report
Meta React Server Components Remote Code Execution Vulnerability
CVE-2025-55182
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.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
Automatable
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:99.62%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-502 ↗Deserialization of Untrusted Data (CWE-502)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Meta | react-server-dom-webpack | 19.0.0 <= 19.0.0 (affected), 19.1.0 <= 19.1.1 (affected), 19.2.0 <= 19.2.0 (affected) |
| Meta | react-server-dom-turbopack | 19.0.0 <= 19.0.0 (affected), 19.1.0 <= 19.1.1 (affected), 19.2.0 <= 19.2.0 (affected) |
| Meta | react-server-dom-parcel | 19.0.0 <= 19.0.0 (affected), 19.1.0 <= 19.1.1 (affected), 19.2.0 <= 19.2.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
99.616%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Meta Platforms, Inc. · Vendor · USA |
| Reserved | 2025-08-08T18:21:47 |
| Published | 2025-12-03T15:40:56 |
| Last Updated | 2026-08-04T03:56:01 |
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