Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2026-33590

Summary
Assigner-ENISA
Assigner Org ID-a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published At-28 May, 2026 | 19:30
Updated At-29 May, 2026 | 14:57
Rejected At-
Credits

Insecure default permissions in Portainer CE

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:ENISA
Assigner Org ID:a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published At:28 May, 2026 | 19:30
Updated At:29 May, 2026 | 14:57
Rejected At:
▼CVE Numbering Authority (CNA)
Insecure default permissions in Portainer CE

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 Products
Vendor
Portainer
Product
Portainer Community Edition
Default Status
unaffected
Versions
Affected
  • From 0 before 2.39.0 (semver)
  • From 0 before 2.38.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-276CWE-276 Incorrect default permissions
Type: CWE
CWE ID: CWE-276
Description: CWE-276 Incorrect default permissions
Metrics
VersionBase scoreBase severityVector
4.08.5HIGH
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
Version: 4.0
Base score: 8.5
Base severity: HIGH
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
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
Hyperlink: https://intwave.com/blog/2026/02/26/improving-portainer-security.html
Resource:
third-party-advisory
Hyperlink: https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c
Resource:
issue-tracking
Hyperlink: https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52
Resource:
issue-tracking
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published At:28 May, 2026 | 20:16
Updated At:29 May, 2026 | 15:06

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.5HIGH
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
Type: Secondary
Version: 4.0
Base score: 8.5
Base severity: HIGH
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/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
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-276Secondarya6d3dc9e-0591-4a13-bce7-0f5b31ff6158
CWE ID: CWE-276
Type: Secondary
Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
N/A
https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796ca6d3dc9e-0591-4a13-bce7-0f5b31ff6158
N/A
https://intwave.com/blog/2026/02/26/improving-portainer-security.htmla6d3dc9e-0591-4a13-bce7-0f5b31ff6158
N/A
Hyperlink: https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52
Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Resource: N/A
Hyperlink: https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c
Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Resource: N/A
Hyperlink: https://intwave.com/blog/2026/02/26/improving-portainer-security.html
Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

0Records found

Details not found