CVE-2026-56338

MediumCVSS 5.3/10Last modified Jun 25, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 24, 2026
Last modified
Jun 25, 2026
NVD status
Deferred

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CVE-2026-56338: Medium severity, CVSS 5.3 | Vulnix