CVE-2026-56234

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.

CVSS Vector

References

• https://github.com/Cap-go/capgo/security/advisories/GHSA-f6v3-xv4g-79h5
• https://www.vulncheck.com/advisories/capgo-password-spraying-via-public-key-accessible-credential-validation-endpoint
• https://github.com/Cap-go/capgo/security/advisories/GHSA-f6v3-xv4g-79h5