CVE-2026-27881 Coolify: Cross-team deployment information disclosure via GET /api/v1/deployments/{uuid} (IDOR)
Authenticated users can access deployment details from other teams via IDOR in the API, exposing sensitive information.
- 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-2026-27881?
CVE-2026-27881 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, `GET /api/v1/deployments/{uuid}` in DeployController.php retrieves deployment details without validating that the deployment belongs to the authenticated user's team. Any authenticated API user can read deployment records from other teams by providing a valid deployment UUID. This vulnerability is fixed in 4.0.0-beta.464.
Weakness: CWE-639
Which versions are affected by CVE-2026-27881?
How do I fix CVE-2026-27881?
No fix has been published for CVE-2026-27881 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-2026-27881 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27881 exists.
Sources
Also known as GHSA-5p5w-h58c-2h5m.