CVE-2025-55182
⛔ criticalSummary
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.
CVSS Score
10.0
Critical
EPSS Score
99.8
Exploit Probability
Published Date
2025-12-03
First Seen: 2026-01-05
📊 Relative Risk Intelligence
This CVE is Extremely High Risk - more severe than 100.0% of all 365,863 vulnerabilities in our database.
#1
Top 5% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Aug 4, 2026
🔍 Exploitation Status
Active
Exploits detected in the wild
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Total
Complete system compromise possible
SSVC data provided by
CISA
Last Modified
2026-10-08
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE IDs (Weakness Types)
