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CVE-2026-56319 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Capgo before 12.128.2 contains an information disclosure vulnerability in the GET /statistics/app/:app_id endpoint that allows app-limited API keys to distinguish existing sibling app IDs through differential error responses. Attackers can enumerate real app IDs outside their allowed scope by observing 500 PGRST116 errors for inaccessible apps versus 401 errors for nonexistent apps, breaking tenant isolation.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:3.1 LOWVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Cap-go/capgo/security/advisories/GHSA-73p9-mprg-7r75	CISA-ADP	AdvisoryExploitTechnical AnalysisVendor
https://github.com/Cap-go/capgo/security/advisories/GHSA-73p9-mprg-7r75	[email protected]	AdvisoryExploitTechnical AnalysisVendor
https://www.vulncheck.com/advisories/capgo-app-existence-oracle-via-get-statistics-app-app-id	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-203	Observable Discrepancy	[email protected]

Affected Products

Product	Versions
Capgo	< 12.128.2 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 12.128.2moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Jun 22, 2026	CVE Modified	CISA-ADP
Jun 20, 2026	New CVE Received	[email protected]