{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93320", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "state": "PUBLISHED", "assignerShortName": "Docker", "dateReserved": "2026-09-17T17:18:00.217Z", "datePublished": "2026-10-05T17:50:44.195Z", "dateUpdated": "2026-10-05T18:52:25.223Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "github.com/moby/buildkit", "product": "BuildKit", "vendor": "moby", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "0.33.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Daniele Linguaglossa (https://github.com/dzonerzy)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>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.</p>"}], "value": "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."}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "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", "baseScore": 6, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-441", "description": "CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-10-05T17:50:44.195Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2"}, {"tags": ["patch"], "url": "https://github.com/moby/buildkit/releases/tag/v0.33.1"}], "source": {"discovery": "EXTERNAL"}, "title": "BuildKit improperly handles special files in build snapshots", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Avoid untrusted builds. Rootless mode mitigates device access but not denial of service.</p>"}], "value": "Avoid untrusted builds. Rootless mode mitigates device access but not denial of service."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-05T18:52:01.509494Z", "id": "CVE-2026-93320", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T18:52:25.223Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-93320", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-05T18:52:01.509494Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T18:52:16.741Z"}}], "cna": {"title": "BuildKit improperly handles special files in build snapshots", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Daniele Linguaglossa (https://github.com/dzonerzy)"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "moby", "product": "BuildKit", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "0.33.0"}], "packageName": "github.com/moby/buildkit", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2", "tags": ["vendor-advisory"]}, {"url": "https://github.com/moby/buildkit/releases/tag/v0.33.1", "tags": ["patch"]}], "workarounds": [{"lang": "en", "value": "Avoid untrusted builds. Rootless mode mitigates device access but not denial of service.", "supportingMedia": [{"type": "text/html", "value": "<p>Avoid untrusted builds. Rootless mode mitigates device access but not denial of service.</p>", "base64": false}]}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "<p>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.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-441", "description": "CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')"}]}], "providerMetadata": {"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-10-05T17:50:44.195Z"}}}, "cveMetadata": {"cveId": "CVE-2026-93320", "state": "PUBLISHED", "dateUpdated": "2026-10-05T18:52:25.223Z", "dateReserved": "2026-09-17T17:18:00.217Z", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "datePublished": "2026-10-05T17:50:44.195Z", "assignerShortName": "Docker"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "github.com/moby/buildkit", "product": "BuildKit", "vendor": "moby", "versions": [{"lessThanOrEqual": "0.33.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@docker.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-93320", "lastModified": "2026-10-05T19:17:26.177", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "HIGH", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@docker.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93320", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-05T18:52:01.509494Z", "version": "2.0.3"}}]}, "published": "2026-10-05T18:17:38.353", "references": [{"source": "security@docker.com", "url": "https://github.com/moby/buildkit/releases/tag/v0.33.1"}, {"source": "security@docker.com", "url": "https://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2"}], "sourceIdentifier": "security@docker.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-441"}], "source": "security@docker.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.33.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "BuildKit", "source": "cna", "vendor": "moby"}, "product": "buildkit", "vendor": "moby"}], "created": "2026-10-05T20:15:16.221668+00:00", "updated": "2026-10-05T21:00:18.641800+00:00", "vendors": ["moby", "moby$PRODUCT$buildkit"]}