CVE-2026-89419: OpenStack Ironic before 39.0.1 sometimes allows a user to change the maintenance setting on a node via PATCH t
23
Routine
MEDIUM 5.0
CVE-2026-89419 is a medium-severity flaw (CVSS 5.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.0 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 80%) |
| CISA exploited list | No |
| Weakness | CWE-424 |
| Published | 2026-10-23 |
| Last modified | 2026-10-23 |
Publisher (CNA): MITRE
Timeline
- Published CVE record published
- Updated Record last modified
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Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.