CVE-2026-41013

Tenant-controlled comma smuggles arbitrary CIFS mount options

HIGH
8.1
CVSS Score
Published: June 1, 2026 at 05:36 PM UTC
Updated: July 22, 2026 at 07:37 AM UTC
2 products affected across 1 vendorCF DeploymentSMB Volume Release

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Severity
HIGH8.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 56.0.0
Affected range stops below 56.0.0, so it looks safe — our inference, not a vendor statement
v < 3.60.0
Affected range stops below 3.60.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-88

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