CVE-2026-56336CWE-200information-disclosure

CVE-2026-56336

Medium · published July 12, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
26.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00343 · 26.6th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-07-12T16:16Z
References (3)
https://github.com/Cap-go/capgo/security/advisories/GHSA-c5jf-5wxg-mgrq · [email protected]https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-sso-check-domain-endpoint · [email protected]https://github.com/Cap-go/capgo/security/advisories/GHSA-c5jf-5wxg-mgrq · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 12 JUL 12:06Z
    Capgo - Information Disclosure via Unauthenticated SSO check-domain Endpoint
    cvelistv5