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CVE-2026-50589 OpenStack CVE debrief

CVE-2026-50589 is a vulnerability 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. The CVSS score for this vulnerability is 5.3, and the severity is MEDIUM.

Vendor
OpenStack
Product
Ironic
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Users of OpenStack Ironic 32 before 37.0.0 should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability exists 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. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update to OpenStack Ironic 37.0.0 or later
  • Restrict access to API and JSON-RPC services

Evidence notes

The CVE record was published on 2026-06-05T00:17:09.213Z and modified on 2026-06-09T16:16:43.850Z. The vulnerability was reported via Launchpad and OpenStack OSSN.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50589 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50589

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50589 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50589

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.