CVE-2026-44884 | portainer Community Edition up to 2.33.7/2.39.0 Custom Template File Endpoint file authorization (GHSA-cqpq-2fgr-8mvc)

A vulnerability classified as problematic was found in portainer Community Edition up to 2.33.7/2.39.0. This affects an unknown function of the file /api/custom_templates/{id}/file of the component Custom Template File Endpoint. The manipulation results in missing authorization.

This vulnerability is reported as CVE-2026-44884. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is advised.