CVE-2026-100678

stoatchat before 0.15.5 fails to enforce account-level attempt limits on MFA login challenges, allowing attackers who know a password to guess TOTP codes with only IP-based rate limiting. Attackers can reuse MFA challenge tickets across multiple failed attempts and distribute guesses across IP...

CVE-2026-100678

Versions of stoatchat prior to 0.15.5 are vulnerable to MFA brute-forcing because they fail to enforce account-level attempt limits on MFA login challenges. While IP-based rate limiting is present, attackers who already possess a valid password can bypass these restrictions by reusing MFA challen...

EUVD-2026-87651

stoatchat before 0.15.5 fails to enforce account-level attempt limits on MFA login challenges, allowing attackers who know a password to guess TOTP codes with only IP-based rate limiting. Attackers can reuse MFA challenge tickets across multiple failed attempts and distribute guesses across IP...

CVE-2026-100678: Improper Restriction of Excessive Authentication Attempts

stoatchat before 0.15.5 fails to enforce account-level attempt limits on MFA login challenges, allowing attackers who know a password to guess TOTP codes with only IP-based rate limiting. Attackers can reuse MFA challenge tickets across multiple failed attempts and distribute guesses across IP...

CVE-2022-30689

HashiCorp Vault and Vault Enterprise from 1.10.0 to 1.10.2 did not correctly configure and enforce MFA on login after server restarts. This affects the Login MFA feature introduced in Vault and Vault Enterprise 1.10.0 and does not affect the separate Enterprise MFA feature set. Fixed in 1.10.3...