CVE-2026-89419
OpenStack Ironic before 39.0.1 sometimes allows a user to change the maintenance setting on a node via PATCH to /v1/nodes/{ident} - in other words, not using the specific maintenance endpoint.
OpenStack IronicContainers & cloud
CVSS
5.0MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.29%Chance of exploitation activity in the next 30 days, higher than 20% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Affected versions 4
- Ironicaffected: 17.0.0 before 29.1.1CVE List
- Ironicaffected: 30.0.0 before 32.1.1CVE List
- Ironicaffected: 33.0.0 before 35.1.1CVE List
- Ironicaffected: 36.0.0 before 39.0.1CVE List