{"cveID":"CVE-2025-55182","vendorProject":"Meta","product":"React Server Components","vulnerabilityName":"Meta React Server Components Remote Code Execution Vulnerability","dateAdded":"2025-12-05","shortDescription":"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.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","dueDate":"2025-12-12","knownRansomwareCampaignUse":"Known","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","cwes":[],"year":2025,"state":"unmapped","stale_reasons":[],"mappings":[],"techniques":[],"mapping_types":[],"has_exploitation_technique":false,"mapping_attack_versions":[],"mapping_domains":[],"sigma_coverage":null,"sigma_rules_tagged_cve":["271de298-cc0e-4842-acd8-079a0a99ea65","c70834fa-fb9d-4aa0-9e7d-45ceed36f3f7"],"added_after_mapping_snapshot":true,"_source":"kevmap","_built":"2026-08-24 19:45 UTC","_attack_version":"19.2"}