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CISA Adds React2Shell Vulnerability to KEV Catalog Amid Active Exploitation

CISA Adds React2Shell Vulnerability to KEV Catalog Amid Active Exploitation

First seen 8 Dec 2025, 12:51 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

The Cybersecurity and Infrastructure Security Agency (CISA) has added the critical React2Shell vulnerability to its Known Exploited Vulnerabilities (KEV) catalog following confirmed active exploitation. This vulnerability poses risks to various cloud environments, affecting organizations that utilize React-based applications.

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