{"id":"CVE-2026-88838","title":"A flaw was found in BusyBox's mount utility","summary":"A flaw was found in BusyBox's mount utility. A non-root user can bypass mount security restrictions set in /etc/fstab by specifying clearing-mask options on the command line. These options pass the non-root flag filter and are merged wit…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-693"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T17:17:48.340","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88838","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-88838","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531352","label":"secalert@redhat.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T17:38:53.201Z","slug":"CVE-2026-88838","body":"## Overview\n\nA flaw was found in BusyBox's mount utility. A non-root user can bypass mount security restrictions set in /etc/fstab by specifying clearing-mask options on the command line. These options pass the non-root flag filter and are merged with fstab options as strings; when the combined options are re-parsed, clearing options can override nosuid, nodev, and noexec protections the administrator intended to enforce.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}