EUVD-2026-33058

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8 and 2.39.1, a missing authorization vulnerability in the Custom Template file endpoint GET...

GHSA-CQPQ-2FGR-8MVC Portainer missing authorization on custom template file endpoint, which exposes template content

Summary A missing authorization vulnerability in the Custom Template file endpoint GET /api/customtemplates/id/file allows any authenticated user to read the file content of any custom template by enumerating sequential integer IDs, bypassing Resource Control access restrictions. Template files m...

PT-2026-41144

Name of the Vulnerable Software and Affected Versions Portainer Community Edition versions 2.33.0 through 2.33.7 Portainer Community Edition versions 2.39.0 through 2.39.0 Portainer Community Edition versions prior to 2.33.0 Description A missing authorization issue in the Custom Template file...