{"id":"CVE-2026-33590","details":"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 \n\naccess on the host.","modified":"2026-07-15T06:09:52.299741Z","published":"2026-05-28T20:16:23.163Z","references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/12/2"},{"type":"FIX","url":"https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52"},{"type":"FIX","url":"https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c"},{"type":"ARTICLE","url":"https://intwave.com/blog/2026/02/26/improving-portainer-security.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/portainer/portainer","events":[{"introduced":"0"},{"fixed":"3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52"},{"fixed":"ac8fa7672e732b44b970c9eaf928eddd2c68796c"}],"database_specific":{"source":"REFERENCES"}}],"versions":["2.23.0","2.0.0","1.20.0","1.11.3","internal-1.6.0","internal-1.5.0","internal-1.4.0","internal-1.3.0","internal-1.2.0","v0.6.0","v0.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33590.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}