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Advisories

Capgo - Password Spraying via Public-Key Accessible Credential Validation Endpoint

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severity
medium
date
Affecting

  • Capgo >= 0, < 12.128.2

CWE
  • CWE-307 Improper Restriction of Excessive Authentication Attempts
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
Judel777
Description
Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validate_password_compliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate limiting, enabling attackers to perform password spraying and credential stuffing attacks to compromise user accounts.

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