Critical 0-Click Vulnerability Enables Attackers to Takeover Email Access Using Punycode

A critical, zero-click vulnerability that allows attackers to hijack online accounts by exploiting how web applications handle international email addresses. The flaw, rooted in a technical discrepancy known as a “canonicalization mismatch,” affects password reset and “magic link” login systems, which are foundational to modern web security. According to NullSecurityX, the attack requires no interaction […]

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