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CVE-2026-41859

CVSS 7.8 · High EPSS 0.10% · P1

Affected Version Matrix 1

VendorProductVersion RangeStatus
Cloud Foundry FoundationBOSH< 282.1.9affected
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I. Basic Information for CVE-2026-41859

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A network man-in-the-middle between nats-sync and the BOSH director can steal the director credentials (Basic auth header or UAA client secret) and can tamper with the VM list that is written into the NATS authorization file. Stolen credentials grant administrative director access. UsersSync#bosh_api_response_body builds a Net::HTTP client with verify_mode = OpenSSL::SSL::VERIFY_NONE for every director call (/info, /deployments, /deployments/<name>/vms). Affected versions: - BOSH: all versions prior to v282.1.9 (inclusive); fixed in v282.1.9 or later
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cloud Foundry BOSH 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloud Foundry BOSH是美国Cloud Foundry公司的一个云基础设施自动化平台。 Cloud Foundry BOSH所有版本及之前版本存在安全漏洞，该漏洞源于nats-sync与BOSH director之间中间人攻击，可能导致凭证窃取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Cloud Foundry FoundationBOSH 0 ~ 282.1.9 -

II. Public POCs for CVE-2026-41859

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III. Intelligence Information for CVE-2026-41859

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Security Blog Posts for CVE-2026-41859 (1)

Same Patch Batch · Cloud Foundry Foundation · 2026-06-04 · 5 CVEs total

CVE-2026-418608.8 HIGHCloud Foundry BOSH 安全漏洞
CVE-2026-410108.2 HIGHCloud Foundry BOSH Director 安全漏洞
CVE-2026-410118.2 HIGHCloud Foundry BOSH 安全漏洞
CVE-2026-418586.5 MEDIUMCloud Foundry windows-utilities-release 安全漏洞

IV. Related Vulnerabilities

Same product: BOSH
Same vendor: Cloud Foundry Foundation
Same weakness: CWE-295

V. Comments for CVE-2026-41859

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