Is CVE-2026-56336 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-56336?

CVE-2026-56336 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-56336

Description

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /private/sso/check-domain endpoint that returns internal org_id and provider_id values. Attackers can enumerate email domains to build mappings of domains to organization UUIDs and SSO provider identifiers, enabling reconnaissance against Capgo tenants.