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Release Thu, Aug 27, 2026 1 min read

Portainer 2.39.7

Original release notes

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 a critical Docker proxy authorization bypass. Unrecognised API version prefixes like /v1.47.0/ or /v01.47/ skipped access control entirely, letting non-admin users reach the Docker API directly
  • Closed a remaining gap in the CVE-2026-44849 (GHSA-5fxq-qcf3-244w) fix and broadened bind-mount restrictions for non-admin users, now including Compose and Swarm stack deployments

Deprecated and removed features

Deprecated features

  • None

Removed features

  • None