CVE-2026-56327
MEDIUMCapgo - Unauthenticated Organization Existence Oracle via public.invite_user_to_org RPC
Title source: cnaDescription
Capgo before 12.128.2 contains an information disclosure vulnerability in the public.invite_user_to_org RPC function that allows unauthenticated attackers to enumerate organization existence by observing distinct error responses. Attackers can call the SECURITY DEFINER function with a publishable API key to determine if an organization ID exists based on NO_ORG versus NO_RIGHTS responses, enabling tenant enumeration attacks.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-35q8-ghfg-vp6m)
https://github.com/Cap-go/capgo/security/advisories/GHSA-35q8-ghfg-vp6m
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Unauthenticated Organization Existence Oracle via public.invite_user_to_org RPC
https://www.vulncheck.com/advisories/capgo-unauthenticated-organization-existence-oracle-via-public-invite-user-to-org-rpc
Scores
CVSS v3
5.3
EPSS
0.0026
EPSS Percentile
17.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-203
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 30, 2026
Tracked Since
Jul 01, 2026