CVE-2026-56234 Capgo - Password Spraying via Public-Key Accessible Credential Validation Endpoint
Attackers can perform password spraying against an unauthenticated endpoint to compromise user accounts in Capgo.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56234?
CVE-2026-56234 is a medium-severity authentication bypass vulnerability in Capgo, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-307
Which versions are affected by CVE-2026-56234?
How do I fix CVE-2026-56234?
No fix has been published for CVE-2026-56234 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-56234 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56234 exists.
Sources
Also known as GHSA-74wf-7q7r-hjxr, GHSA-f6v3-xv4g-79h5.