๐Ÿ” CVE Alert

CVE-2026-56336

MEDIUM 5.3

Capgo - Information Disclosure via Unauthenticated SSO check-domain Endpoint

CVSS Score
5.3
EPSS Score
0.2%
EPSS Percentile
11th

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.

CWE CWE-200
Vendor capgo
Product capgo
Published Jul 12, 2026
Last Updated Jul 14, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

Capgo / Capgo
0 < 12.128.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/Cap-go/capgo/security/advisories/GHSA-c5jf-5wxg-mgrq vulncheck.com: https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-sso-check-domain-endpoint

Credits

๐Ÿ” offset