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SCA: security update for github.com/portainer/portainer (GHSA-5fxq-qcf3-244w)

critical Tenable Self-Hosted Container Security Plugin ID 441861

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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, Portainer enforces seven EndpointSecuritySettings restrictions that administrators
 configure to restrict the container configurations non-admin users can launch: privileged mode, host PID
 namespace, device mapping, capabilities, sysctls, security-opt (Seccomp / AppArmor), and bind mounts.
 These restrictions are enforced on the standard container creation path, but several of them are not
 applied on the Docker Swarm service API. This vulnerability is fixed in 2.33.8, 2.39.2, and 2.41.0.
 (CVE-2026-44849)

Solution

Update the github.com/portainer/portainer library and its related packages to version 2.33.8 or later.

See Also

https://github.com/advisories/GHSA-5fxq-qcf3-244w

Plugin Details

Severity: Critical

ID: 441861

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 5/14/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.93

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-44849

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.4

Threat Score: 8.6

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-44849

cwe: CWE-862