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Medium · 5.3 CVE-2026-56337 EUVD-2026-38751

Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2

Published Jun 24, 2026 · Updated Jun 24, 2026 · Assigned by VulnCheck

Description

Capgo before 12.128.2 contains an information disclosure vulnerability in the public.exist_app_v2 RPC function that allows unauthenticated attackers to enumerate app_ids by calling POST /rest/v1/rpc/exist_app_v2 with arbitrary appid parameters. Remote attackers can exploit this SECURITY DEFINER function to determine whether specific app_ids exist in the public.apps table, enabling cross-tenant app enumeration and privacy violations.

Affected products

VendorProductAffectedFixed
Capgo Capgo < 12.128.2 12.128.2

References