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CVE

CWE

Training

CVE-2026-33590

Published: May 28, 2026

Modified: May 29, 2026

PUBLISHED

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.

Vendor	Product	Versions
Portainer	Portainer Community Edition	affected `0 - < 2.39.0` affected `0 - < 2.38.0`

Weaknesses (CWE)

References

https://intwave.com/blog/2026/02/26/improving-portainer-security.html

third-party-advisory

https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c

issue-tracking

https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52

issue-tracking

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