CVE-2026-56234

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductCapgo

PublishedJun 23, 2026

First seenJun 23, 2026

Weakness typeCWE-307CWE-307

How to fix

Update

Capgo Capgo12.128.2 or later

Vendor advisories

github.com/Cap-go/capgo/security/advisories/GHSA-f6v3-xv4g-79h5

Affected products

Product	Affected versions	Fixed in
Capgo Capgo	v < 12.128.2	12.128.2

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