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CVE-2026-93860

Quick assessment

Affected
OpenStack Mistral
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 OpenStack Mistral 23.0.0 及之前版本中， API 控制器会清除请求上下文，并直接调用维护服务，而未实施任何策略权限控制。因此，任何持有有效 Mistral 令牌的用户，无论其被授予何种角色，都可以读取和更改该服务的集群级维护状态。将此状态设置为 PAUSED（暂停）后，所有租户项目中的新工作流和执行对象都将停止处理，直到操作员将其恢复为止。

CVSS 7.1 · High

Affected Version Matrix 4

VendorProduct Version RangeStatus
OpenStack Mistral < 20.1.1 affected
21.0.0< 21.0.1 affected
22.0.0< 22.0.1 affected
23.0.0 affected
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I. Basic Information for CVE-2026-93860

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenStack Mistral 0 ~ 20.1.1 -

II. Public POCs for CVE-2026-93860

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III. Intelligence Information for CVE-2026-93860

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Other References for CVE-2026-93860 (2)

Same Patch Batch · OpenStack · 2026-10-08 · 4 CVEs total

CVE-2026-93858 8.7 HIGH OpenStack Mistral≤23.0.0远程命令执行漏洞
CVE-2026-97147 7.2 HIGH OpenStack Mistral 23.0.0越权修改/接管项目资源漏洞
CVE-2026-93861 6.0 MEDIUM OpenStack Mistral通过API实现越权访问

IV. Related Vulnerabilities

Same product: Mistral
Same vendor: OpenStack
Same weakness: CWE-862

V. Comments for CVE-2026-93860

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