CVE-2026-56219
HIGHCapgo - Unauthenticated RBAC Bindings and Email Disclosure via get_org_user_access_rbac NULL-auth Bypass
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-vvm7-xhcj-m94h)
https://github.com/Cap-go/capgo/security/advisories/GHSA-vvm7-xhcj-m94h
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Unauthenticated RBAC Bindings and Email Disclosure via get_org_user_access_rbac NULL-auth Bypass
https://www.vulncheck.com/advisories/capgo-unauthenticated-rbac-bindings-and-email-disclosure-via-get-org-user-access-rbac-null-auth-bypass
Scores
CVSS v3
7.5
EPSS
0.0034
EPSS Percentile
26.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-287
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 30, 2026
Tracked Since
Jul 01, 2026