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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-44849

33
FAUCET Score

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, 2.39.2, and 2.41.0, Portainer enforces seven EndpointSecuritySettings restrictions that administrators configure to restrict the container configurations non-admin users can launch: privileged mode, host PID namespace, device mapping, capabilities, sysctls, security-opt (Seccomp / AppArmor), and bind mounts. These restrictions are enforced on the standard container creation path, but several of them are not applied on the Docker Swarm service API. This vulnerability is fixed in 2.33.8, 2.39.2, and 2.41.0.

First published: May 28, 2026Last modified: May 28, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.33.0, < 2.33.8CPE matchmatch criteria
cpe:2.3:a:portainer:portainer:*:*:*:*:community:*:*:*
>= 2.34.0, < 2.39.1CPE matchmatch criteria
cpe:2.3:a:portainer:portainer:*:*:*:*:community:*:*:*
2.40.0CPE matchmatch criteria
cpe:2.3:a:portainer:portainer:2.40.0:*:*:*:community:*:*:*

CVSS Data

CVSS version used by this source: 4.0

9.4CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
HIGH
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 15th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/portainer/portainerFixed in: 2.33.8
gopatch availablevia ghsa
Product: github.com/portainer/portainerFixed in: 2.39.2
gopatch availablevia ghsa
Product: github.com/portainer/portainerFixed in: 2.41.0

Vendor Advisories (1)

goGHSA-5fxq-qcf3-244wcritical

Portainer has an endpoint security bypass via Swarm service create/update

May 14, 2026

References

github.com / portainer/portainer/security/advisories/GHSA-5fxq-qcf3-244w
ExploitThird Party Advisory