{"id":"CVE-2026-41013","aliases":["EUVD-2026-33727","GHSA-8h76-qw8h-fmjh"],"status":"published","title":"Tenant-controlled comma smuggles arbitrary CIFS mount options","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.\n\nAffected versions:\nsmb-volume-release: All versions prior to v3.60.0\nCF Deployment: All versions prior to v56.0.0","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00239,"percentile":0.15011,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-88"],"published":"2026-06-01T17:36:47Z","modified":"2026-07-22T07:10:00Z","products":[{"vendor":"cloudfoundry foundation","product":"cf deployment"},{"vendor":"cloudfoundry foundation","product":"smb-volume-release"}],"references":[{"url":"https://www.cloudfoundry.org/blog/cve-2026-41013-tenant-controlled-comma-smuggles-arbitrary-cifs-mount-options/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41013"},{"url":"https://www.cloudfoundry.org/blog/cve-2026-41013-tenant-controlled-comma-smuggles-arbitrary-cifs-mount-options"},{"url":"https://github.com/advisories/GHSA-8h76-qw8h-fmjh"}],"sources":{"cve":[{"id":"CVE-2026-41013","title":"Tenant-controlled comma smuggles arbitrary CIFS mount options","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.\n\nAffected versions:\nsmb-volume-release: All versions prior to v3.60.0\nCF Deployment: All versions prior to v56.0.0","status":"published","published":"2026-06-01T17:36:47.643Z","modified":"2026-06-04T17:36:02.891Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-33727","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.\n\nAffected versions:\nsmb-volume-release: All versions prior to v3.60.0\nCF Deployment: All versions prior to v56.0.0","status":"published","published":"2026-06-01T17:36:47Z","modified":"2026-06-04T17:36:02Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:20:52.744481Z"}],"ghsa":[{"id":"GHSA-8h76-qw8h-fmjh","title":"Input validation bypass in SMB volume mount handling in CloudFoundry Foundation diego-release...","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.\n\nAffected versions:\nsmb-volume-release: All versions prior to v3.60.0\nCF Deployment: All versions prior to v56.0.0","status":"published","published":"2026-06-01T21:30:42Z","modified":"2026-06-01T21:30:43Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T15:08:27.436234Z"}],"nvd":[{"id":"CVE-2026-41013","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.\n\nAffected versions:\nsmb-volume-release: All versions prior to v3.60.0\nCF Deployment: All versions prior to v56.0.0","status":"published","published":"2026-06-01T19:16:39.887Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:12:21.635958Z"}]}}