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Fencer Vulns
medium 5.0

CVE-2026-89419 json

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 othe…

published 2026-10-23 17 d ago modified 2026-11-02 6 d ago also EUVD-2026-108571

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

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.

Patch / fix

  • OpenStack Ironic 29.1.1, 32.1.1, 35.1.1, 39.0.1
  • ironic Debian 14 1:39.0.0-6

debian advisories DEBIAN-CVE-2026-89419

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-89419 updated cvss 5.4

openstack-ironic: openstack-ironic: maintenance state update bypasses set_maintenance policy via generic PATCH

  • Red Hat OpenShift Container Platform 4 openstack-ironic, openstack-ironic-api, python3-ironic-tests, openstack-ironic-common, openstack-ironic-conductor, openshift4/ose-ironic-rhel9 Red Hat OpenStack Platform 13 (Queens) openstack-ironic-api, openstack-ironic-common, openstack-ironic-conductor Red Hat OpenStack Platform 16.2 openstack-ironic, openstack-ironic-api, openstack-ironic-common, openstack-ironic-conductor Red Hat OpenStack Platform 17.1 openstack-ironic, openstack-ironic-api, openstack-ironic-common, openstack-ironic-conductor Red Hat OpenStack Platform 18.0 openstack-ironic
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
6 d ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.0 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

  • OpenStack Ironic

Classification

Weakness
  • CWE-424 Improper Protection of Alternate Path

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.