CVE-2026-93860
High
Description
In OpenStack Mistral through 23.0.0, the /v2/maintenance API controller clears the request context and calls the maintenance service directly without any policy enforcement. Any holder of a valid Mistral token, regardless of assigned role, can read and change the service's cluster-wide maintenance state. Setting the state to PAUSED stops processing of new workflow and execution objects across all tenant projects until an operator restores it.
SeverityHigh
CVSS7.1
Exploit probability—
ProductMistral
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- OpenStack Mistral20.1.1, 21.0.1, 22.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| OpenStack Mistral | v < 20.1.1, 21.0.0 ≤ v < 21.0.1, 22.0.0 ≤ v < 22.0.1, 23.0.0 | 20.1.1, 21.0.1, 22.0.1 |
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