{"id":"CVE-2026-41013","state":"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","publishedAt":"2026-06-01T17:36:47.643Z","updatedAt":"2026-06-04T17:36:02.891Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"vmware","products":["CloudFoundry Foundation smb-volume-release","CloudFoundry Foundation CF Deployment"],"affected":[{"vendor":"CloudFoundry Foundation","product":"smb-volume-release","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.60.0","versionType":"custom"}]},{"vendor":"CloudFoundry Foundation","product":"CF Deployment","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"56.0.0","versionType":"custom"}]}],"references":["https://www.cloudfoundry.org/blog/cve-2026-41013-tenant-controlled-comma-smuggles-arbitrary-cifs-mount-options/"],"weaknesses":["CWE-88"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41013.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41013","state":"PUBLISHED","datePublished":"2026-06-01T17:36:47.643Z","dateUpdated":"2026-06-04T17:36:02.891Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-04-16T02:19:16.427Z"},"containers":{"cna":{"title":"Tenant-controlled comma smuggles arbitrary CIFS mount options","descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"CloudFoundry Foundation","product":"smb-volume-release","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.60.0","versionType":"custom"}]},{"vendor":"CloudFoundry Foundation","product":"CF Deployment","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"56.0.0","versionType":"custom"}]}],"references":[{"url":"https://www.cloudfoundry.org/blog/cve-2026-41013-tenant-controlled-comma-smuggles-arbitrary-cifs-mount-options/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-88","lang":"en","description":"CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-06-04T17:36:02.891Z"},"impacts":[{"descriptions":[{"lang":"en","value":"A low-privileged CF space developer can bypass the SMB mount-option allowlist by injecting arbitrary kernel CIFS mount options via comma-delimited parameters, enabling privilege escalation and security control bypass on multi-tenant Diego cells."}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T19:40:11.457381Z","id":"CVE-2026-41013","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-01T19:40:16.203Z"}}]}}}