Known exploited vulnerabilities

Meta vulnerabilities attackers have used

Every Meta vulnerability in CISA's Known Exploited Vulnerabilities catalog, newest first, with the federal due date and whether it fed ransomware campaigns.

The short answer

CISA lists 1 Meta vulnerability as exploited in the wild, 1 of them added in the last 12 months and 1 used in ransomware campaigns. The most recent is CVE-2025-55182, added Dec 5, 2025. React Server Components has the most entries (1).

In KEV, all time
1
Added, last 12 months
1
Used in ransomware
1
New CVEs this week
0

Every Meta entry in CISA KEV

  1. CVE-2025-55182

    RansomwareAdded · due

    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…

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