vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-33590

Insecure default permissions in Portainer CE

HIGH
8.5
CVSS Score
Published: May 28, 2026 at 07:30 PM UTC
Updated: October 26, 2026 at 01:10 PM UTC
1 product affected across 1 vendorPortainer

Using Portainer Community Edition by Portainer?

Get instant alerts when new vulnerabilities affect Portainer Community Edition - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Portainer· Portainer
90%
v < 2.38.0v < 2.39.0
Affected range stops below 2.38.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.39.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Third Party Advisory
Source: cverecord
https://intwave.com/blog/2026/02/26/improving-portainer-security.html
Issue Tracking
Source: cverecord
https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c
Issue Tracking
Source: cverecord
https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/06/12/2

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHENISA
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-276

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card