CVE-2026-50589

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-05 · updated 2026-07-23
Weakness: CWE-770

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.

Affected products

OpenStack Ironic: from 32.0.0 before 37.0.0 — fixed in 37.0.0

How to fix

Upgrade to a fixed version: OpenStack Ironic 37.0.0. Check the vendor advisory for mitigations.

References

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

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