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SCA: security update for github.com/portainer/portainer (GHSA-cqpq-2fgr-8mvc)

medium Tenable Cloud Security Plugin ID 441858

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 and
 2.39.1, a missing authorization vulnerability in the Custom Template file endpoint (GET
 /api/custom_templates/{id}/file) allows any authenticated user to read the file content of any custom
 template by enumerating sequential integer IDs, bypassing Resource Control access restrictions. Template
 files may contain environment-specific values such as connection strings, API tokens, or registry
 credentials that administrators would not expect standard users to read. This vulnerability is fixed in
 2.33.8 and 2.39.1. (CVE-2026-44884)

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-cqpq-2fgr-8mvc

Plugin Details

Severity: Medium

ID: 441858

Version: Revision 1.6

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: Low

Score: 3

Percentile: 23.74

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-44884

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 5.4

Threat Vector: CVSS:4.0/E:P

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

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-2026-44884

cwe: CWE-862