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CVE-2026-44848
Published:May 28, 2026
Updated:June 13, 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.
Affected Packages
https://github.com/portainer/portainer.git (GITHUB):
Affected version(s) >=2.39.0 <2.39.2
Fix Suggestion:
Update to version 2.39.2
https://github.com/portainer/portainer.git (GITHUB):
Affected version(s) =2.40.0 <2.41.0
Fix Suggestion:
Update to version 2.41.0
https://github.com/portainer/portainer.git (GITHUB):
Affected version(s) >=2.33.0 <2.33.8
Fix Suggestion:
Update to version 2.33.8
github.com/portainer/portainer (GO):
Affected version(s) =2.40.0 <2.41.0
Fix Suggestion:
Update to version 2.41.0
github.com/portainer/portainer (GO):
Affected version(s) >=2.33.0 <2.33.8
Fix Suggestion:
Update to version 2.33.8
github.com/portainer/portainer (GO):
Affected version(s) >=2.39.0 <2.39.2
Fix Suggestion:
Update to version 2.39.2
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CVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.05