Medium severity · published Oct 23, 2026
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…
New
5.0
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IR
Ironic · OpenStack
17.0.0 before 29.1.1; 30.0.0 before 32.1.1; 33.0.0 before 35.1.1; 36.0.0 before 39.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89419
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89419
bugs.launchpad.net
https://bugs.launchpad.net/ironic/+bug/2166510
security.openstack.org
https://security.openstack.org/ossa/OSSA-2026-048.html
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/10/22/7
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