CVE-2025-55182 — Actively Exploited: React Server Components (Meta)
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.
| CVE ID | CVE-2025-55182 |
|---|---|
| Vendor | Meta |
| Product | React Server Components |
| Vulnerability name | Meta React Server Components Remote Code Execution Vulnerability |
| Date added | 2025-12-05 |
| Remediation due | 2025-12-12 |
| Known ransomware use | Known |
| 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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