Capgo before 12.128.2 contains a cross-domain SSO account takeover vulnerability in the provision-user endpoint that allows attackers to merge arbitrary victim accounts based on email match without validating SSO provider domain authorization. An attacker with enterprise org admin access and a malicious IdP can forge SAML assertions containing victim email addresses to trigger account merge and gain full access to victim accounts, organizations, and data.
Metrics
Affected Vendors & Products
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References
History
Wed, 24 Jun 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Capgo before 12.128.2 contains a cross-domain SSO account takeover vulnerability in the provision-user endpoint that allows attackers to merge arbitrary victim accounts based on email match without validating SSO provider domain authorization. An attacker with enterprise org admin access and a malicious IdP can forge SAML assertions containing victim email addresses to trigger account merge and gain full access to victim accounts, organizations, and data. | |
| Title | Capgo - Account Takeover via Cross-Domain SSO Email Assertion in provision-user | |
| Weaknesses | CWE-287 | |
| References |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-06-24T11:53:08.057Z
Reserved: 2026-06-19T21:46:58.630Z
Link: CVE-2026-56223
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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