CVE-2026-27883 Coolify: IDOR in Deployment API - Cross-Team Deployment Information Disclosure

Medium 5.0 Published Updated

An authenticated user can access deployment details from any team by bypassing team-based authorization checks in the API.

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-2026-27883?

CVE-2026-27883 is a medium-severity missing authorization vulnerability in coollabsio coolify, published on 30 Jun 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 `GET /api/v1/deployments/{uuid}` endpoint allows any authenticated user to access deployment details belonging to any team, bypassing team-based authorization. The $teamId is extracted from the authentication token but never used to scope the database query. This vulnerability is fixed in 4.0.0-beta.464.

Weakness: CWE-639

Which versions are affected by CVE-2026-27883?

How do I fix CVE-2026-27883?

No fix has been published for CVE-2026-27883 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-2026-27883 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27883 exists.

Sources

Also known as GHSA-f6h4-qx26-76jv.

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