CVE Catalog

CVE-2026-56312

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Summary

A vulnerability in Capgo before version 12.128.2 in the accept_invitation endpoint 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.

Risk Assessment

The risk involves the ability to mass-create fake accounts and waste invitations, potentially leading to system overload, exhaustion of invite limits, and spam or DoS attacks.

Recommendation

It is recommended to immediately upgrade Capgo to version 12.128.2 or later, which includes a fix enforcing captcha validation before account creation.

Other vulnerabilities in Capgo

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Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS