CVE-2026-56219

Published: Jun 30, 2026Modified: Jul 1, 2026Deferred

8.7

Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

Description

Capgo before 12.128.2 contains a NULL-auth bypass vulnerability in the public.get_org_user_access_rbac function that allows unauthenticated attackers to retrieve RBAC role bindings and member email addresses. Attackers can exploit improper NULL comparison in the authorization gate to disclose organization membership, roles, and email addresses via the PostgREST RPC endpoint using only a public API key.

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (3)

https://github.com/Cap-go/capgo/security/advisories/GHSA-vvm7-xhcj-m94h

Source: disclosure@vulncheck.com

https://www.vulncheck.com/advisories/capgo-unauthenticated-rbac-bindings-and-email-disclosure-via-get-org-user-access-rbac-null-auth-bypass

Source: disclosure@vulncheck.com

https://github.com/Cap-go/capgo/security/advisories/GHSA-vvm7-xhcj-m94h

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.