CVE-2026-44848 PUBLISHED

Portainer: Missing authorization on Docker plugin endpoints allows host RCE

Assigner: GitHub_M
Reserved: 07.05.2026 Published: 28.05.2026 Updated: 28.05.2026

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, 2.39.2, and 2.41.0, The Docker plugin management endpoints (/plugins/*) were not registered with a handler, so standard users with endpoint access could call privileged plugin operations — including installing and enabling plugins — directly against the underlying Docker daemon. The vulnerability is exposed when a non-admin Portainer user (Standard User role, or any role granted endpoint-level access) has been given access to a Docker endpoint via Portainer RBAC. This vulnerability is fixed in 2.33.8, 2.39.2, and 2.41.0.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Product Status

Vendor portainer
Product portainer
Versions
  • Version >= 2.33.0, < 2.33.8 is affected
  • Version >= 2.39.0, < 2.39.2 is affected
  • Version >= 2.40.0, < 2.41.0 is affected

References

Problem Types

  • CWE-862: Missing Authorization CWE