CVE-2026-56337

Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2

State: Published
Severity: 6.9 Medium
Published: Jun 24, 2026
Updated: Jun 24, 2026
Reserved: Jun 20, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	VulnCheck

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
CapgoCapgo	before 12.128.2Affected 12.128.2Not affected

References

GitHub Security Advisory (GHSA-wjqr-gmx8-jj56)vendor-advisory
VulnCheck Advisory: Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2third-party-advisory

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