CVE-2026-56339

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/Cap-go/capgo/security/advisories/GHSA-8432-3cgm-vw5j
https://www.vulncheck.com/advisories/capgo-unauthenticated-organization-existence-enumeration-via-rescind-invitation-rpc
https://github.com/Cap-go/capgo/security/advisories/GHSA-8432-3cgm-vw5j

Configurations

No configuration.

History

15 Jul 2026, 19:18

Type	Values Removed	Values Added
References	~~() https://github.com/Cap-go/capgo/security/advisories/GHSA-8432-3cgm-vw5j -~~	() https://github.com/Cap-go/capgo/security/advisories/GHSA-8432-3cgm-vw5j -

15 Jul 2026, 12:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-15 12:18

Updated : 2026-07-15 20:27

NVD link : CVE-2026-56339

Mitre link : CVE-2026-56339

CVE.ORG link : CVE-2026-56339

JSON object : View

Products Affected

No product.

CWE

CWE-203

Observable Discrepancy

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