CVE-2026-56319
MEDIUM EPSS 8.5%
Published Jun 20, 20261w ago · Modified Jun 22, 20261w ago
5.3 CVSS 4.0
Published Jun 20, 2026 1w ago
Last Modified Jun 22, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
8.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-203
References 2
- github.com https://github.com/Cap-go/capgo/security/advisories/GHSA-73p9-mprg-7r75
- vulncheck.com https://www.vulncheck.com/advisories/capgo-app-existence-oracle-via-get-statistics-app-app-id
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.