VULNERABILITY INTELLIGENCE
CVE-2026-56338
CVSS score5.3 MEDIUM
EPSS probability0.49%
CISA KEVNot currently listed
Published2026-06-24
Last modified2026-06-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Description
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.
Weakness classification
- disclosure@vulncheck.com: CWE-703