High severity · published Jun 4, 2026
CVE-2026-50589
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…
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IR
Ironic · Openstack
32.0.0 before 37.0.0 · source: NVD
RH
Red Hat OpenShift Container Platform 4 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-50589
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-50589
Issue Tracking
https://bugs.launchpad.net/ironic/+bug/2154288
Patch
https://wiki.openstack.org/wiki/OSSN/OSSN-0099
Mailing List
http://www.openwall.com/lists/oss-security/2026/06/06/2
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-50589
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2485353
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-50589.json
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