What is CVE-2026-44884?

CVE-2026-44884 is a medium-severity vulnerability in Portainer, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-28.

How severe is CVE-2026-44884?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Portainer

CVE-2026-44884

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 and 2.39.1, a missing authorizati…

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Portainer — versions >= 2.33.0, < 2.33.8, >= 2.39.0, < 2.39.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-44884?: CVE-2026-44884 is a medium-severity vulnerability in Portainer, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-28.
How severe is CVE-2026-44884?: Medium severity. CVSS v3 base score is 6.5 out of 10.