CVE-2026-41013 — HIGH (8.1)

Vulnerability 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

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-88

References

https://www.cloudfoundry.org/blog/cve-2026-41013-tenant-controlled-comma-smuggle

FAQ

What is CVE-2026-41013?

CVE-2026-41013 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 m...

How severe is CVE-2026-41013?

CVE-2026-41013 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41013?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.