Information Disclosure Vulnerability in Capgo by Capgo
CVE-2026-56336

6.9MEDIUM

Key Information:

Vendor

Capgo

Status
Capgo
Vendor
CVE Published:
12 July 2026

What is CVE-2026-56336?

The software Capgo, prior to version 12.128.2, is susceptible to an information disclosure issue at the unauthenticated /private/sso/check-domain endpoint. This vulnerability allows attackers to retrieve internal organization identifiers and SSO provider details, which can be used to enumerate email domains and create mappings between them and organization UUIDs. This poses significant risks to Capgo tenants by enabling attackers to perform reconnaissance activities more effectively.

Affected Version(s)

Capgo 0 < 12.128.2

Capgo 12.128.2

References

https://github.com/Cap-go/capgo/security/advisories/GHSA-...
vendor-advisory
https://www.vulncheck.com/advisories/capgo-information-di...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

offset
.