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… (CVE-2026-50589)
Description
OpenStack Ironic versions before 37.0.0 contain a vulnerability where an unauthenticated attacker can submit a crafted JSON string to certain API or JSON-RPC endpoints, causing the service to crash. This results in a denial of service condition. The vulnerability has a CVSS score of 7.5, indicating a medium severity impact focused on availability disruption. Multiple Ubuntu package versions of Ironic are affected. No specific patch information is provided in the input data.
CVSS v3.1
Score 7.5high
Affected software
pkg:deb/ubuntu/ironic?arch=source&distro=xenialpkg:deb/ubuntu/ironic?arch=source&distro=bionicpkg:deb/ubuntu/ironic?arch=source&distro=focalpkg:deb/ubuntu/ironic?arch=source&distro=jammypkg:deb/ubuntu/ironic?arch=source&distro=noblepkg:deb/ubuntu/ironic?arch=source&distro=questingpkg:deb/ubuntu/ironic?arch=source&distro=stonkingpkg:deb/ubuntu/ironic?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50589 affects OpenStack Ironic versions prior to 37.0.0. An unauthenticated malicious user can send a specially crafted JSON string to some API or JSON-RPC endpoints, triggering a service crash. This vulnerability leads to denial of service but does not impact confidentiality or integrity. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality or integrity impact, and high availability impact.
Potential Impact
The vulnerability allows unauthenticated attackers to cause a denial of service by crashing the Ironic service through crafted JSON input. There is no impact on confidentiality or integrity. The service disruption could affect availability of OpenStack Ironic components relying on the affected API or JSON-RPC endpoints.
Mitigation Recommendations
The input data does not include explicit patch or remediation information. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is applied, consider restricting access to the affected API endpoints to trusted users or networks to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-50589
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:25.10","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad3f60c2cdf04f656664104
Added to database: 10/17/2026, 22:26:20 UTC
Last enriched: 10/18/2026, 00:57:52 UTC
Last updated: 10/18/2026, 00:57:52 UTC
Views: 4
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