Tenant-controlled comma smuggles arbitrary CIFS mount options
Priority LOW 37CWE-88Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-88.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00239 15th percentileScored 2026-11-07
Fix Fixed smb-volume-release (CloudFoundry Foundation): 3.60.0CF Deployment (CloudFoundry Foundation): 56.0.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CloudFoundry Foundation | smb-volume-release | before 3.60.0 | 3.60.0 | Patch available | CNA |
| CloudFoundry Foundation | CF Deployment | before 56.0.0 | 56.0.0 | Patch available | CNA |
- smb-volume-release VendorCloudFoundry Foundation Affected before 3.60.0 Fixed in 3.60.0 Patch available CNA
- CF Deployment VendorCloudFoundry Foundation Affected before 56.0.0 Fixed in 56.0.0 Patch available CNA
Remediation
- Fix · CNA smb-volume-release (CloudFoundry Foundation) Fixed in 3.60.0
- Fix · CNA CF Deployment (CloudFoundry Foundation) Fixed in 56.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41013
- 2026-10-03 Alias added: GHSA-8h76-qw8h-fmjh
References
More CloudFoundry Foundation vulnerabilities
- TI-2018-15273 Path traversal in code.cloudfoundry.org/archiver CVSS 3.1CRITICAL 9.1
- TI-2016-05702 Command injection in Cloud Foundry CVSS 3.0CRITICAL 9.8
- TI-2022-13629 Improper certificate validation in Cloud Foundry Diego and CF Deployment CVSS 3.1CRITICAL 9.1
- TI-2016-06771 Improper input validation in Cloud Foundry CVSS 3.0CRITICAL 9.8
- TI-2016-00680 Cloud Foundry Garden-Linux versions prior to v0.333.0 and Elastic Runtime 1.6.x version… CVSS 3.1CRITICAL 9.8
- TI-2017-03116 Improper privilege management in Cloud Foundry CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-41013 · CVE Program
- CVE-2026-41013 · NVD
- FIRST EPSS
- GHSA-8h76-qw8h-fmjh · GitHub Advisory Database · CC BY 4.0
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