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OpenAdvisories
High · 8.1 CVE-2026-41013 EUVD-2026-33727GHSA-8h76-qw8h-fmjh

Tenant-controlled comma smuggles arbitrary CIFS mount options

Published Jun 1, 2026 · Updated Jun 4, 2026 · Assigned by vmware

Description

Input validation bypass in SMB volume mount handling in CloudFoundry Foundation diego-release allows low-privileged CF space developer to inject arbitrary kernel CIFS mount options via bypassing the mount-option allowlist, enabling privilege escalation and security control bypass on multi-tenant Diego cells.

Affected versions:
smb-volume-release: All versions prior to v3.60.0
CF Deployment: All versions prior to v56.0.0

Affected products

VendorProductAffectedFixed
CloudFoundry Foundation smb-volume-release < 3.60.0 3.60.0
CloudFoundry Foundation CF Deployment < 56.0.0 56.0.0

References