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CVE-2026-56312 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:3.7 LOWVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Cap-go/capgo/security/advisories/GHSA-whc5-fvr7-g5v3	[email protected]	AdvisoryExploitRemedyVendor
https://www.vulncheck.com/advisories/capgo-account-creation-before-captcha-validation-in-accept-invitation-endpoint	[email protected]	AdvisoryVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
Capgo	< 12.128.2 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 12.128.2moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Jul 10, 2026	CVE Modified	CISA-ADP
Jul 10, 2026	New CVE Received	[email protected]