Medium severity5.3NVD Advisory· Published Jul 12, 2026· Updated Sep 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cap Go/Capgo.appllm-fuzzy
Range: <12.128.2
Cap Go/Capgollm-fuzzy
Range: <12.128.2

Patches

Vulnerability mechanics

References

github.com/Cap-go/capgo/security/advisories/GHSA-c5jf-5wxg-mgrqnvd
www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-sso-check-domain-endpointnvd

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cvss	0.345
epss	0.000
exploit	0.000
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ransomware	0.000