Maintenance Setting Bypass Vulnerability in OpenStack Ironic
CVE-2026-89419

5MEDIUM

Key Information:

Vendor

Openstack
Status
Ironic
Vendor
CVE Published:
23 October 2026

What is CVE-2026-89419?

OpenStack Ironic versions prior to 39.0.1 exhibit a vulnerability that allows users to alter the maintenance settings on nodes via a PATCH request to the general nodes endpoint, rather than through the designated maintenance endpoint. This behavior can potentially lead to unauthorized control over node maintenance operations.

Affected Version(s)

Ironic 17.0.0 < 29.1.1

Ironic 30.0.0 < 32.1.1

Ironic 33.0.0 < 35.1.1

References

https://bugs.launchpad.net/ironic/+bug/2166510
https://security.openstack.org/ossa/OSSA-2026-048.html

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.