What is CVE-2026-44883?

CVE-2026-44883 is a high-severity vulnerability in Portainer, classified under CWE-598. CVSS score: 7.5/10. Published 2026-05-28.

How severe is CVE-2026-44883?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Portainer

CVE-2026-44883

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's…

EPSS: 0.000 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Portainer — versions >= 2.33.0, < 2.33.8, >= 2.39.0, < 2.39.2, >= 2.40.0, < 2.41.0

Weakness classification (CWE)

CWE-598

References

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

Frequently asked questions

What is CVE-2026-44883?: CVE-2026-44883 is a high-severity vulnerability in Portainer, classified under CWE-598. CVSS score: 7.5/10. Published 2026-05-28.
How severe is CVE-2026-44883?: High severity. CVSS v3 base score is 7.5 out of 10.