Unrated severityNVD Advisory· Published Jun 24, 2026· Updated Jun 24, 2026
Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2
CVE-2026-56337
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.
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Affected products
1Patches
Vulnerability mechanics
References
2- github.com/Cap-go/capgo/security/advisories/GHSA-wjqr-gmx8-jj56mitrevendor-advisory
- www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-rpc-function-exist-app-v2mitrethird-party-advisory
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