Medium 5.3Published Jun 4, 2026

CVE-2026-50589In OpenStack Ironic 32 before 37.0.0, an unauthenticated malicious user could submit a crafted JSON string to some endpoints on the API or JSON-RPC service and effect a service crash.

Updated under an hour ago (Oct 27, 2026, 7:30 PM ET)

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It affects OpenStack Ironic and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In OpenStack Ironic 32 before 37.0.0, an unauthenticated malicious user could submit a crafted JSON string to some endpoints on the API or JSON-RPC service and effect a service crash.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-770, CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Jul 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

OpenStack Ironic openstack:ironic (from the name)	from 32.0.0 before 37.0.0 status unknown	CNA record
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CISA ADP
Red Hat Red Hat OpenStack Platform 16.2 redhat:openstack	16.2	CISA ADP
openstack ironic openstack:ironic	from 32.0.0 before 37.0.0	NVD

References

References

https://bugs.launchpad.net/ironic/+bug/2154288	issue-tracking, mitigation
https://wiki.openstack.org/wiki/OSSN/OSSN-0099	patch, vendor-advisory
http://www.openwall.com/lists/oss-security/2026/06/06/2	mailing-list, patch, third-party-advisory
https://access.redhat.com/security/cve/CVE-2026-50589
https://bugzilla.redhat.com/show_bug.cgi?id=2485353
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-50589.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.