CVE-2026-33590 PUBLISHED

Insecure default permissions in Portainer CE

Assigner: ENISA
Reserved: 23.03.2026 Published: 28.05.2026 Updated: 28.05.2026

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.

Metrics

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
CVSS Score: 8.5

Product Status

Vendor Portainer
Product Portainer Community Edition
Versions Default: unaffected
  • affected from 0 to 2.39.0 (excl.)
  • affected from 0 to 2.38.0 (excl.)

References

Problem Types

  • CWE-276 Incorrect default permissions CWE