CVE-2025-55182
KEV · RansomwareMeta React Server Components Remote Code Execution Vulnerability
View CVE record →- Vendor / Project
- Meta
- Product
- React Server Components
- Date added
- Dec 5, 2025
- Due date
- Dec 12, 2025
- Known ransomware use
- Known
- CWEs
- —
Description
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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
- Check for signs of potential compromise on all internet accessible REACT instances after applying mitigations. For more information, please see: https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components
- https://github.com/vercel-labs/fix-react2shell-next?tab=readme-ov-file
- https://nvd.nist.gov/vuln/detail/CVE-2025-55182