{"id":"CVE-2026-101304","published":"2026-10-15T07:17:57.550","lastModified":"2026-10-15T16:17:41.437","description":"When fdescfs(4) was mounted in a jail with the \"nodup\" option, opening /dev/fd/N returned a descriptor that did not inherit FD_RESOLVE_BENEATH or the Capsicum capability rights of descriptor N.\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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-273"],"vendors":[],"products":[],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:66.jail.asc","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}