Known vulnerability record
CVE-2025-55182
Meta React Server Components Remote Code Execution Vulnerability
Summary
Meta React Server Components Remote Code Execution Vulnerability
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.
Signals
Keep the signals separate
CVSS severitycriticalScore 10 · source Meta
EPSS probability99.6%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2025-12-05
Ransomware useknownPreserved as known / unknown, not a truthy default
Timeline
Dates and provenance
- CVE published
- 2025-12-03
- CVE modified
- 2026-08-04
- KEV date added
- 2025-12-05
- Dataset fetched
- 2026-08-21T03:54:58.997Z
Sources
Original records
- https://www.cve.org/CVERecord?id=CVE-2025-55182 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2025-55182 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182 ↗
Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.