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CVE-2026-41012— BOSH vSphere CPI Improper Cert Validation

Quick assessment

Affected
Cloud Foundry bosh-vsphere-cpi-release
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.

以下是这段漏洞描述的中文翻译，采用了专业、简洁的安全技术文档风格： BOSH Director vCenter CPI 流量拦截漏洞 BOSH Director 中的 vCenter CPI 存在流量拦截漏洞，允许位于 BOSH Director 和 vCenter 之间的攻击者冒充 vCenter REST API，通过 HTTP Basic 认证捕获管理员凭据，进而实现对整个虚拟化基础设施的完全接管。 能够拦截 BOSH Director 与 vCenter 之间流量的攻击者，可以建立一个伪装成 vCenter

CVSS 7.7 · High
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I. Basic Information for CVE-2026-41012

Vulnerability Information
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Vulnerability Title
BOSH vSphere CPI Improper Cert Validation
Source: CVE Program / CVE List V5
Vulnerability Description
Traffic interception vulnerability in BOSH Director vCenter CPI allows attackers positioned between BOSH Director and vCenter to impersonate vCenter REST API and capture administrator credentials via HTTP Basic auth, leading to complete virtualization infrastructure takeover. An attacker who can intercept traffic between the BOSH Director and vCenter can establish a malicious server impersonating the vCenter REST API. When the BOSH Director makes CPI calls to perform routine cloud infrastructure operations, the attacker captures the vCenter administrator username and password transmitted via HTTP Basic authentication. The vulnerability stems from insufficient authentication security in the communication protocol between BOSH Director and vCenter. While HTTPS may be used, the lack of proper certificate validation and pinning allows attackers to successfully impersonate vCenter endpoints. Because vCenter credentials typically grant full administrative control over the entire virtualization estate, successful credential capture yields complete takeover of every VM, datastore, and network the CPI manages. This exposure exists on every CPI call (including routine deployment operations, not just when tags are configured) and cannot be mitigated by supplying a CA certificate alone. The attack impacts all infrastructure managed by the compromised vCenter instance, potentially affecting hundreds or thousands of VMs across multiple deployments and environments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cloud Foundry bosh-vsphere-cpi-release 0 ~ 98.0.6 -

II. Public POCs for CVE-2026-41012

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III. Intelligence Information for CVE-2026-41012

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Security Blog Posts for CVE-2026-41012 (1)

IV. Related Vulnerabilities

Same vendor: Cloud Foundry
Same weakness: CWE-295

V. Comments for CVE-2026-41012

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