CVE-2026-56312

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

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

Vulnerability Description

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 Details

Published Date

July 10, 2026

Last Modified

July 10, 2026

CWE ID

CWE-287

Source

NVD

Vendor

Capgo

Product

Capgo

External References

https://github.com/Cap-go/capgo/security/advisories/GHSA-whc5-fvr7-g5v3
https://www.vulncheck.com/advisories/capgo-account-creation-before-captcha-validation-in-accept-invitation-endpoint

CVE-2026-56312

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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