Gravity SMTP WordPress vulnerability CVE-2026-4020 has drawn 17 million automated exploit attempts since May 2026, draining ...
Wordfence has blocked 17M+ exploit attempts targeting a Gravity SMTP bug that leaks API keys, OAuth tokens, and full system reports without authentication.
Attackers are exploiting CVE-2026-4020 in Gravity SMTP to leak API keys, OAuth tokens, and system data from WordPress sites.
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