{"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"}}]}}