CVE-2026-56312: Capgo

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Capgo before 12.128.2 contains an improper validation vulnerability in the accept_invitation endpoint that creates user accounts before captcha validation is enforced. Attackers can bypass captcha protection by sending POST requests with invalid captcha tokens to create unwanted accounts and burn invite links.

Affected products

• Capgo Capgo: before 12.128.2 (fixed in 12.128.2)

Published 2026-07-10. Last modified 2026-07-10.