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.
https://wiki.openstack.org/wiki/OSSN/OSSN-0099
https://bugs.launchpad.net/ironic/+bug/2154288
http://www.openwall.com/lists/oss-security/2026/06/06/2
Source: Mitre, NVD
Published: 2026-06-05
Updated: 2026-06-16
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00039