Auth bypass in Openshift-Metal3 Bmctest

CVE-2026-71568

In BMCtest, Ironic is started without authentication and TLS for the duration of the test. Exploiting the problem requires winning the race with bmctest itself, which reduces the attack window and significantly increases its complexity.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71568?
CVE-2026-71568 is a medium-severity vulnerability in Openshift-Metal3 Bmctest, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2026-09-17.
How severe is CVE-2026-71568?
Medium severity. CVSS v3 base score is 5.3 out of 10.