{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101305","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","state":"PUBLISHED","assignerShortName":"freebsd","dateReserved":"2026-09-28T13:33:02.323Z","datePublished":"2026-10-15T06:46:16.471Z","dateUpdated":"2026-10-16T18:30:32.048Z"},"containers":{"cna":{"datePublic":"2026-09-29T20:30:00.000Z","title":"Multiple jail filesystem root escapes","references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:66.jail.asc"}],"affected":[{"defaultStatus":"unknown","modules":["jail"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"status":"affected","versionType":"release","version":"15.1-RELEASE","lessThan":"p4"},{"status":"affected","versionType":"release","version":"15.0-RELEASE","lessThan":"p14"},{"status":"affected","versionType":"release","version":"14.5-RELEASE","lessThan":"p1"},{"status":"affected","versionType":"release","version":"14.4-RELEASE","lessThan":"p10"}]}],"credits":[{"lang":"en","type":"finder","value":"Jan Bramkamp"}],"descriptions":[{"lang":"en","value":"renameat(2) did not enforce FD_RESOLVE_BENEATH on its directory arguments.  A jailed process could rename a directory relative to a restricted descriptor, then escape the jail root via fchdir(2).  This requires the directory to reside on a filesystem that is also reachable from the jail's root.\n\nA process in a jail that has received a directory file descriptor from another jail can use these techniques to escape the jail's filesystem root restriction."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-273","description":"CWE-273: Improper Check for Dropped Privileges","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd","dateUpdated":"2026-10-15T06:46:16.471Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-16T18:30:17.230798Z","id":"CVE-2026-101305","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-16T18:30:32.048Z"}}]}}