Portainer 2.33.8

2.33.8

Release 2.33.8 LTS

Added 1
  • Added missing return statements to prevent continued execution after failed authorisation checks
Changed 1
  • Changed a default setting to enforce server-side EdgeID on first connection
Fixed 2
  • Fixed an error handling condition in the database
  • Fixed an issue where Edge stack deployment retries stopped working
Removed 2
  • Removed the option to pass a JWT token as a query string parameter
  • Removed the possibility to clone Git repositories that contain symlinks
Security 7
  • Fixed a Docker API proxy authorisation bypass that allowed regular users to circumvent deny-plugin restrictions
  • Fixed a path traversal vulnerability in custom template handling
  • Fixed unauthorized access to custom template file contents via a direct API endpoint
  • Fixed a bind mount restriction bypass via HostConfig.Mounts during container creation
  • Fixed a bind mount restriction bypass during Swarm service creation
  • Fixed a container capabilities and sysctl restriction bypass during Swarm service creation
  • Resolved CVE-2026-25679, CVE-2026-27139, CVE-2026-27142, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2025-58058, CVE-2026-1229, CVE-2026-24051, CVE-2026-25934, CVE-2026-32285, CVE-2026-32952, CVE-2026-33186, CVE-2026-33762, CVE-2026-34165, CVE-2026-35206, CVE-2026-35469, CVE-2026-39882, CVE-2026-39883, GHSA-3xc5-wrhm-f963, and GHSA-xmrv-pmrh-hhx2
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 Docker API proxy authorisation bypass that allowed regular users to circumvent deny-plugin restrictions
  • Changed a default setting to enforce server-side EdgeID on first connection
  • Fixed a path traversal vulnerability in custom template handling
  • Fixed unauthorized access to custom template file contents via a direct API endpoint
  • Removed the option to pass a JWT token as a query string parameter
  • Removed the possibility to clone Git repositories that contain symlinks
  • Fixed a bind mount restriction bypass via HostConfig.Mounts during container creation
  • Fixed a bind mount restriction bypass during Swarm service creation
  • Fixed a container capabilities and sysctl restriction bypass during Swarm service creation
  • Fixed an error handling condition in the database
  • Added missing return statements to prevent continued execution after failed authorisation checks
  • Fixed an issue where Edge stack deployment retries stopped working
  • Resolved the following CVEs:
    • CVE-2026-25679
    • CVE-2026-27139
    • CVE-2026-27142
    • CVE-2026-32280
    • CVE-2026-32281
    • CVE-2026-32282
    • CVE-2026-32283
    • CVE-2026-32288
    • CVE-2026-32289
    • CVE-2025-58058
    • CVE-2026-1229
    • CVE-2026-24051
    • CVE-2026-25934
    • CVE-2026-32285
    • CVE-2026-32952
    • CVE-2026-33186
    • CVE-2026-33762
    • CVE-2026-34165
    • CVE-2026-35206
    • CVE-2026-35469
    • CVE-2026-39882
    • CVE-2026-39883
    • GHSA-3xc5-wrhm-f963
    • GHSA-xmrv-pmrh-hhx2
Deprecated and removed features
Deprecated features

None.

Removed features

None

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