CriticalCVECISA — Known Exploited Vulnerabilities· 5 Dec 2025

CVE-2025-55182 — Meta React Server Components Remote Code Execution Vulnerability

Severity: Critical · Kind: Vulnerability

What it is

AI offline placeholder summary for: Title: CVE-2025-55182 — Meta React Server Components Remote Code Execution Vulne.

Who this affects

AI summarisation is currently disabled — see the source link for the full upstream advisory.

What to do

Re-run summarisation from /admin/threats once ANTHROPIC_API_KEY is configured.

From the source

Meta React Server Components. 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.

Vulnerability facts

CVE
CVE-2025-55182
On CISA KEV since
2025-12-05
Ransomware use
Known

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.