{"id":"CVE-2026-93320","title":"BuildKit may be tricked into performing file actions with special file inodes where regular files are expected","summary":"BuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.","severity":"medium","cvss":6,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H","cwe":["CWE-441"],"vendor":"moby","product":"github.com/moby/buildkit","affected":["github.com/moby/buildkit <= 0.33.0"],"published":"2026-10-05","updated":"2026-10-05","sourceUpdated":"2026-10-05T19:17:26.177","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93320","references":[{"url":"https://github.com/moby/buildkit/releases/tag/v0.33.1","label":"security@docker.com"},{"url":"https://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2","label":"security@docker.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-05T18:52:01.509494Z"},"cvssSource":"cna","ingestedAt":"2026-10-05T18:29:11.203Z","slug":"CVE-2026-93320","body":"## Overview\n\nBuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":33,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}