CVEPublished 2025-12-0311 articles on news7 live referencesNVD data

CVE-2025-55182

Vulnerability data via CVEDB (Shodan)

CISA KEVKnown exploited in the wild.Used in ransomware
CISA action: Meta React Server Components contains a remote code execution vulnerability that could allow unauthenticated remote code execution by exploiting a flaw in how React decodes payloads sent to React Server Function endpoints. Please note CVE-2025-66478 has been rejected, but it is associated with CVE-2025- 55182.
CVSS v3.1
10.0
CRITICAL
EPSS percentile
100
Exploit Prediction Scoring System · top 0% of all CVEs
Description

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.

Timeline
Published 2025-12-03

External references

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Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub (8)