CVE-2026-47826 PUBLISHED

blobs.yaml Path Traversal Allows File Writes

Assigner: vmware
Reserved: 20.05.2026 Published: 09.07.2026 Updated: 09.07.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 8.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	CloudFoundry Foundation
Product	BOSH CLI tool
Versions	Default: unaffected affected from 0 to 7.10.4 (excl.)

References

https://www.cloudfoundry.org/blog/cve-2026-47826-blobs-yaml-path-traversal-allows-file-writes/

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE

Impacts

Arbitrary file writes and exfiltration of sensitive information via BOSH CLI path traversal.