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CVE-2026-47826— blobs.yaml Path Traversal Allows File Writes

Quick assessment

Affected
CloudFoundry Foundation BOSH CLI tool
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.

CloudFoundry Foundation BOSH CLI tool是CloudFoundry Foundation基金会的一款BOSH命令行工具。 CloudFoundry Foundation BOSH CLI tool 7.10.4之前版本存在路径遍历漏洞，该漏洞源于blobs.yml路径密钥遍历问题，允许攻击者写入任意文件并泄露敏感信息。

AI Predicted 7.5 Difficulty: Easy EPSS 0.34% · P28

Affected Version Matrix 1

VendorProduct Version RangeStatus
CloudFoundry Foundation BOSH CLI tool < 7.10.4 affected
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I. Basic Information for CVE-2026-47826

Vulnerability Information
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Vulnerability Title
blobs.yaml Path Traversal Allows File Writes
Source: CVE Program / CVE List V5
Vulnerability Description
The blobs.yml path key traversal vulnerability in the BOSH CLI tool allows an attacker to write arbitrary files and exfiltrate sensitive information. Affected versions: BOSH CLI tool versions prior to v7.10.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
CloudFoundry Foundation BOSH CLI tool 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CloudFoundry Foundation BOSH CLI tool是CloudFoundry Foundation基金会的一款BOSH命令行工具。 CloudFoundry Foundation BOSH CLI tool 7.10.4之前版本存在路径遍历漏洞，该漏洞源于blobs.yml路径密钥遍历问题，允许攻击者写入任意文件并泄露敏感信息。
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

Vendor Product Affected Versions CPE Subscribe
CloudFoundry Foundation BOSH CLI tool 0 ~ 7.10.4 -

II. Public POCs for CVE-2026-47826

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III. Intelligence Information for CVE-2026-47826

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Security Blog Posts for CVE-2026-47826 (1)

Same Patch Batch · CloudFoundry Foundation · 2026-07-09 · 3 CVEs total

CVE-2026-47840 7.5 HIGH LDAP StartTLS unconditionally disables hostname verification
CVE-2026-47829 Argument Injection in BOSH CLI Allows Local Command Execution on Operator Workstations via

IV. Related Vulnerabilities

Same vendor: CloudFoundry Foundation

V. Comments for CVE-2026-47826

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