CVE-2026-56223 — Capgo - Account Takeover via Cross-Domain SSO Email Assertion in provision-user
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…
Published: 2026-06-24 · CVSS: 9.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7