{"id":"CVE-2026-93321","aliases":["AZL-106821","BELL-CVE-2026-93321","EUVD-2026-92820","GHSA-fjj4-h6vf-m9hj","UBUNTU-CVE-2026-93321"],"status":"published","title":"Malformed LLB file operation can crash buildkitd","description":"A malicious frontend can submit an LLB definition that causes buildkitd\nto panic and terminate, interrupting all builds running on that daemon.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00155,"percentile":0.04681,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-129"],"published":"2026-10-05T22:00:54Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpaquita:stream","package":"docker","fixed_in":["29.9.0-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure 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daemon.","status":"published","published":"2026-10-05T22:00:54Z","modified":"2026-10-06T13:25:37Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:37.923108Z"}],"nvd":[{"id":"CVE-2026-93321","description":"A malicious frontend can submit an LLB definition that causes buildkitd\nto panic and terminate, interrupting all builds running on that daemon.","status":"published","published":"2026-10-05T22:16:58.96Z","modified":"2026-10-06T15:08:38.397Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:12:54.129949Z"}],"osv":[{"id":"CVE-2026-93321","title":"Malformed LLB file operation can crash buildkitd","description":"A 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25.0.18-1","description":"A malicious frontend can submit an LLB definition that causes buildkitd\nto panic and terminate, interrupting all builds running on that daemon.","status":"published","published":"2026-10-05T22:16:58Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:17.969374Z"},{"id":"BELL-CVE-2026-93321","status":"published","published":"2026-10-09T06:09:18.882674Z","modified":"2026-10-21T07:15:07.175489446Z","updated_at":"2026-11-02T15:28:27.164451Z"}]}}