Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent

access on the host.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Portainer Portainer Community Edition unaffected
Version Status Constraints
0 affected < 2.39.0
0 affected < 2.38.0

No data.

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52 cve-icon cve-icon
https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c cve-icon cve-icon
https://intwave.com/blog/2026/02/26/improving-portainer-security.html cve-icon cve-icon
History

Thu, 28 May 2026 19:45:00 +0000

Type Values Removed Values Added
Description Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent access on the host.
Title Insecure default permissions in Portainer CE
Weaknesses CWE-276
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ENISA

Published:

Updated: 2026-05-28T19:30:06.697Z

Reserved: 2026-03-23T12:53:47.474Z

Link: CVE-2026-33590

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-28T20:16:23.163

Modified: 2026-05-28T20:16:23.163

Link: CVE-2026-33590

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T20:30:25Z

Weaknesses