Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-f6v3-xv4g-79h5
- https://www.vulncheck.com/advisories/capgo-password-spraying-via-public-key-acce
- https://github.com/Cap-go/capgo/security/advisories/GHSA-f6v3-xv4g-79h5
FAQ
What is CVE-2026-56234?
CVE-2026-56234 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2026-56234?
CVE-2026-56234 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56234?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.