Vulnerabilities CVE-2026-33590

CVE-2026-33590

High

Open

TLP:CLEAR

Insecure default permissions in Portainer CE

NVD CVE.org

Critical Infrastructure

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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.

Details

CVSS Score: 8.5
EPSS Score ⓘ: 0.45%

37.3th percentile
CVSS 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
Confidence: 90%
Published: May 28, 2026
Last Modified: May 28, 2026

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