{"uuid": "1f43fad9-d2bb-40b3-9a36-3648af93ab1a", "vulnerability": {"vulnId": "CVE-2025-55182", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "1f43fad9-d2bb-40b3-9a36-3648af93ab1a"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2025-12-05T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2025-12-05T00:00:00Z", "recorded_at": "2026-02-02T13:24:01Z", "first_seen_at": "2025-12-05T00:00:00Z"}, "scope": {"notes": "KEV entry: Meta React Server Components Remote Code Execution Vulnerability | Affected: Meta / React Server Components | 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. | Due date: 2025-12-12 | Known ransomware campaign use (KEV): Known | Notes (KEV): 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"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": [], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "React Server Components", "due_date": "2025-12-12", "date_added": "2025-12-05", "vendorProject": "Meta", "vulnerabilityName": "Meta React Server Components Remote Code Execution Vulnerability", "knownRansomwareCampaignUse": "Known"}}], "references": [{"id": "CVE-2025-55182", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-55182"}]}