CVE-2026-34037: Cross-Tenant Resource Cloning via Broken Object-Level Authorization in cloneTo()

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-07 · updated 2026-10-25
Weakness: CWE-639

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.

Affected products

coollabsio coolify: before 4.0.0-beta.464

References

https://github.com/coollabsio/coolify/commit/1759a1631cd63271ebf6caa250c6d93440eaa333
https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.464
https://github.com/coollabsio/coolify/security/advisories/GHSA-ggrr-wrvr-x83v
https://github.com/coollabsio/coolify/security/advisories/GHSA-ggrr-wrvr-x83v

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