portainer

Update docker.io/portainer/portainer-ce Docker tag to v2.39.1

Michi Kofler-Häusler

20 Mar 2026 — 1 min read

No problems deploying to Proxmox VE K3s Kubernetes cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach with dependency update facilitated by Mend's Renovate Bot.

Also the corresponding agents were automatically rolled out via Watchtower infrastructure on the Docker-only nodes including arm node with dependency update facilitated by Mend's Renovate Bot.

This MR contains the following updates:

Package	Update	Change
docker.io/portainer/portainer-ce (source)	patch	`2.39.0` → `2.39.1`

Release Notes

portainer/portainer (docker.io/portainer/portainer-ce)

`v2.39.1`: LTS

Compare Source

Known issues

On Async Edge environments, an invalid update schedule date can be displayed when browsing a snapshot

Known issues with Podman support

Podman environments aren't supported by auto-onboarding script
It's not possible to add Podman environments via socket, when running a Portainer server on Docker (and vice versa)
Support for only CentOS 9, Podman 5 rootful

Changes

Fixed an issue where a Git-based Docker stack from GitLab failed validation for non-admin users
Re-enabled image registries for FIPS
Fixed an issue where groups were missing after an upgrade
Fixed an issue where not all containers for a service were shown in v2.39.0 Alpine
Fixed an issue where users could not add new environments to an existing group when the group already contained a large number of environments
Fixed an issue where the Edit this application button was disabled for non-admin users
Fixed an issue where custom template file content was accessible to unauthorized users
Fixed an issue where users could not view their containers
Fixed an issue where users saw a blank dashboard
Updated the kubectl shell image to version 1.35.2
Updated Kubernetes to version 1.35
Updated Go to version 1.25.8 to mitigate the following CVEs:
- CVE-2026-25679
- CVE-2026-27142
- CVE-2026-27139
Resolved the following CVEs:
- GO-2026-4550
- GO-2026-4473
- GO-2026-4394
- CVE-2026-24051
- CVE-2025-68121
- CVE-2026-33186

Deprecated and removed features

Deprecated features

None

Removed features

None

Update Helm release gitlab-runner to v0.87.0

No problems deploying GitLab Runner to K3s cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach with dependency update facilitated by Mend's Renovate Bot. And also by means of Watchtower infrastructure to Docker host for Image Lifecycle Management with dependency update facilitated by Mend'

Update docker.io/gitlab/gitlab-ce Docker tag to v18.10.0

No problems automatically updating the monolithic Docker image and run the container by Watchtower with dependency update facilitated by Mend's Renovate Bot. GitLab 18.10 Release This MR contains the following updates: Package Update Change docker.io/gitlab/gitlab-ce (changelog) minor 18.9.2-ce.0 → 18.10.0-ce.

Update Helm release traefik to v39.0.6

No problems whatsoever deploying to Proxmox VE K3s Kubernetes cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach with dependency update facilitated by Mend's Renovate Bot. This MR contains the following updates: Package Update Change traefik (source) patch 39.0.5 → 39.0.6 Release