CVE-2026-56328 Capgo - Integrity Issue in Release Routing via Multiple Public Channels
An authorized manager can manipulate update routing logic to silently direct clients to unintended bundles, compromising release integrity.
- 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-2026-56328?
CVE-2026-56328 is a high-severity vulnerability in Capgo, published on 30 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 allows multiple public channels for the same app and platform to coexist simultaneously, while unnamed /updates requests without defaultChannel implicitly resolve to a single hidden winner channel. An authorized app or channel manager can create ambiguous default update state and silently influence which bundle unnamed clients receive, breaking release routing integrity and predictability.
Weakness: CWE-670
Which versions are affected by CVE-2026-56328?
How do I fix CVE-2026-56328?
No fix has been published for CVE-2026-56328 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56328 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56328 exists.
Sources
Also known as GHSA-3cmp-pm5x-8464, GHSA-g8vq-gjgw-gfc8.