CVE-2026-56337
MEDIUMCapgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-wjqr-gmx8-jj56)
https://github.com/Cap-go/capgo/security/advisories/GHSA-wjqr-gmx8-jj56
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2
https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-rpc-function-exist-app-v2
Scores
CVSS v3
5.3
EPSS
0.0026
EPSS Percentile
17.8%
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-200
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 24, 2026
Tracked Since
Jun 24, 2026