CVE-2026-47826 CloudFoundry Foundation CVE debrief

Who should care

Users of BOSH CLI tool versions prior to v7.10.4 should update to the latest version to prevent potential file writes and sensitive data exfiltration. Operators, administrators, and security teams responsible for managing and securing BOSH CLI tool deployments should review and take action to mitigate this vulnerability.

Technical summary

The CVE-2026-47826 vulnerability is caused by a path traversal issue in the blobs.yml file of the BOSH CLI tool. This allows an attacker to write arbitrary files and exfiltrate sensitive information. The vulnerability has a CVSS score of 8.5 and is classified as HIGH severity. The vulnerability affects BOSH CLI tool versions prior to v7.10.4.

Defensive priority

High priority should be given to updating BOSH CLI tool versions prior to v7.10.4 to prevent potential exploitation. Additionally, monitoring and review of file system writes and sensitive data access should be implemented to detect and prevent potential exploitation.

Recommended defensive actions

• Update BOSH CLI tool to version v7.10.4 or later
• Review and monitor file system writes and sensitive data access
• Implement compensating controls to detect and prevent potential exploitation
• Review relevant monitoring, detection, and logs for exposed assets that need extra review
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-09T07:16:23.840Z and was last modified on 2026-07-13T13:36:53.357Z. The NVD entry is currently Analyzed. 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 are BOSH CLI tool versions prior to v7.10.4. Users and administrators should verify their deployments and update to the latest version to prevent potential exploitation.

Official resources