CVE-2026-34037 Cross-Tenant Resource Cloning via Broken Object-Level Authorization in cloneTo()
An authenticated user can clone resources into other teams' destinations due to broken object-level authorization, enabling cross-tenant data access and modification.
- 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-2026-34037?
CVE-2026-34037 is a critical missing authorization vulnerability in coollabsio coolify, published on 7 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.464, the cloneTo() Livewire action in ResourceOperations.php authorizes the source resource but resolves destination resources with unscoped Eloquent lookups, allowing an authenticated user to clone resources into destinations owned by other teams and access cross-tenant resources. This issue is fixed in version 4.0.0-beta.464.
Weakness: CWE-639
Which versions are affected by CVE-2026-34037?
How do I fix CVE-2026-34037?
No fix has been published for CVE-2026-34037 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-34037 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34037 exists.
Sources
Also known as GHSA-ggrr-wrvr-x83v.