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 invalid captcha tokens to create unwanted accounts and burn invite links.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-10 15:16

Updated : 2026-07-10 17:17

NVD link : CVE-2026-56312

Mitre link : CVE-2026-56312

CVE.ORG link : CVE-2026-56312

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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