Auth bypass in Capgo
CVE-2026-56312
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 i…
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Capgo — versions 0, 12.128.2
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56312?
- CVE-2026-56312 is a medium-severity vulnerability in Capgo, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-07-10.
- How severe is CVE-2026-56312?
- Medium severity. CVSS v3 base score is 6.5 out of 10.