CVE-2026-30831 is a critical-severity vulnerability. AttackerView checks Rocket.Chat sites for it with a live exploit check.
Detects Rocket.Chat instances affected by CVE-2026-30831 where the enterprise DDP Streamer accepts username/password login without enforcing 2FA or checking user-active status. Attackers can bypass two-factor authentication entirely via the DDP WebSocket endpoint.
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