{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-103916", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "state": "PUBLISHED", "assignerShortName": "Docker", "dateReserved": "2026-10-01T14:18:13.769Z", "datePublished": "2026-11-03T16:19:03.726Z", "dateUpdated": "2026-11-03T17:43:23.309Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "platforms": [ "MacOS", "Linux", "Windows" ], "product": "Docker Sandboxes", "vendor": "Docker", "cpes": [ "cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:*" ], "versions": [ { "version": "0.28.0", "status": "affected", "lessThan": "0.51.0", "versionType": "semver" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Peyton Kennedy of Endor Labs" } ], "descriptions": [ { "lang": "en", "value": "Docker Sandboxes sbx cp does not safely confine host-side paths to a shared workspace. A malicious sandbox can create or replace a workspace symlink so that a later user-initiated copy reads a host file outside the workspace into the sandbox or writes sandbox-controlled data to a host path outside the workspace with the invoking user's permissions." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "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-59", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-11-03T16:19:03.726Z" }, "references": [ { "tags": [ "product" ], "url": "https://docs.docker.com/ai/sandboxes/" }, { "tags": [ "technical-description" ], "url": "https://docs.docker.com/ai/sandboxes/security/isolation/" }, { "tags": [ "release-notes" ], "url": "https://github.com/docker/sbx-releases/releases/tag/v0.51.0" } ], "source": { "discovery": "EXTERNAL" }, "title": "Docker Sandboxes sbx cp follows workspace symlinks outside the authorized host directory", "workarounds": [ { "lang": "en", "value": "Until upgrading, do not use sbx cp with a host-side source or destination inside a workspace writable by untrusted sandbox code. Use a host-only path for the copy instead." } ], "solutions": [ { "lang": "en", "value": "Upgrade Docker Sandboxes to version 0.51.0 or later." } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-11-03T17:43:09.265927Z", "id": "CVE-2026-103916", "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": "2026-11-03T17:43:23.309Z" } } ] } }