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Recent escalations in the Iran war have turned cyberspace into a pivotal battlefield, with Israel’s massive cyberattack on February 28, 2026, marking a historic shift. This operation, dubbed part of Operation Roar of the Lion, combined airstrikes with digital strikes that crippled Iran’s infrastructure.

This blog breaks down how the React2Shell vulnerability (CVE-2025-55182) abuses insecure deserialization in React Server Components’ Flight protocol to achieve pre-authentication remote code execution, and provides detection, mitigation, and threat-hunting guidance for defenders.