CVE-2026-56339
Capgo - Unauthenticated Organization Existence Enumeration via rescind_invitation RPC
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Capgo (Cap-go/capgo) before 12.128.2 contains an information disclosure vulnerability in the Supabase PostgREST SECURITY DEFINER RPC function public.rescind_invitation that allows unauthenticated attackers to enumerate organization existence. The function returns distinct error messages (NO_ORG vs NO_RIGHTS) when called with only a publishable API key, enabling attackers to discover valid organization IDs and increase the attack surface for targeted phishing or social engineering campaigns.
| CWE | CWE-203 |
| Vendor | cap-go |
| Product | capgo |
| Published | Jul 15, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Cap-go / capgo
0 < 12.128.2
References
Credits
🔍 Judel777