CVE-2025-55184
7.5 · HIGHOverview
CVE-2025-55184 is a high-severity vulnerability affecting facebook react. It was published on December 11, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from facebook. Update react to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| react | >= 19.0.0, < 19.0.2 | Affected | |
| vercel | next.js | >= 13.3.0, < 14.2.35 | Affected |
Frequently Asked Questions
What is CVE-2025-55184?
CVE-2025-55184 is a high-severity vulnerability affecting facebook react. It was published on December 11, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-55184?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-55184?
Check the references section for vendor advisories and patches from facebook. Update react to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-55184?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-55184 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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