CVE-2026-56319 Capgo - App Existence Oracle via GET /statistics/app/:app_id
Attackers can enumerate valid application IDs outside their authorized scope by analyzing differential error responses from the statistics endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56319?
CVE-2026-56319 is a medium-severity vulnerability in Capgo, published on 20 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-203
Which versions are affected by CVE-2026-56319?
How do I fix CVE-2026-56319?
No fix has been published for CVE-2026-56319 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56319 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56319 exists.
Sources
Also known as GHSA-73p9-mprg-7r75, GHSA-r945-3x7m-hrjx.