CVE-2026-56338 — Capgo - Denial of Service in 2FA Email Verification via /auth/v1/otp Endpoint
Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha valid…
Published: 2026-06-24 · CVSS: 6.9 · CVSS 4.0
Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors with captcha verification process failed messages, blocking access to security controls.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7