CVE-2026-56312mediumCWE-287

CVE-2026-56312: medium-severity vulnerability in Capgo

Capgo - Account Creation Before CAPTCHA Validation in accept_invitation Endpoint

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.4%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Affected products
Capgo · Capgo
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In the same product, most dangerous first.

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