CVE-2026-126329

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126329", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "state": "PUBLISHED", "assignerShortName": "Docker", "dateReserved": "2026-11-10T20:28:45.078Z", "datePublished": "2026-11-12T15:50:44.926Z", "dateUpdated": "2026-11-12T15:50:44.926Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "platforms": ["MacOS", "Linux"], "product": "Docker Sandboxes", "vendor": "Docker", "versions": [{"version": "0.7.0", "status": "affected", "lessThan": "0.53.0", "versionType": "semver"}, {"version": "0.53.0", "status": "unaffected", "lessThan": "*", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Ryan Selikow"}], "descriptions": [{"lang": "en", "value": "Docker Sandboxes reuses existing state and configuration directories without verifying their ownership. If sbx or sandboxd is run as root with HOME or, on Linux, XDG_STATE_HOME pointing to an attacker-controlled location, a local unprivileged user can substitute control-plane sockets and configuration trusted by the root process, potentially executing commands as root. Exploitation requires a privileged invocation with an attacker-influenced environment. The issue affects Linux and macOS and is fixed in version 0.53.0."}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "A local unprivileged attacker controls a state or configuration directory reused by a root invocation with an attacker-influenced HOME or XDG_STATE_HOME."}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-282", "description": "CWE-282: Improper Ownership Management", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-11-12T15:50:44.926Z"}, "references": [{"tags": ["product"], "url": "https://docs.docker.com/ai/sandboxes/"}], "source": {"discovery": "EXTERNAL"}, "title": "Docker Sandboxes privilege escalation through untrusted state directories", "solutions": [{"lang": "en", "value": "Upgrade Docker Sandboxes to version 0.53.0 or later."}], "workarounds": [{"lang": "en", "value": "Avoid running sbx or sandboxd as root. If a privileged invocation is required, use HOME and XDG_STATE_HOME values belonging to the target account and ensure its state and configuration directories are not controlled by another user."}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "platforms": ["MacOS", "Linux"], "product": "Docker Sandboxes", "vendor": "Docker", "versions": [{"lessThan": "0.53.0", "status": "affected", "version": "0.7.0", "versionType": "semver"}, {"lessThan": "*", "status": "unaffected", "version": "0.53.0", "versionType": "semver"}]}], "source": "security@docker.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Docker Sandboxes reuses existing state and configuration directories without verifying their ownership. If sbx or sandboxd is run as root with HOME or, on Linux, XDG_STATE_HOME pointing to an attacker-controlled location, a local unprivileged user can substitute control-plane sockets and configuration trusted by the root process, potentially executing commands as root. Exploitation requires a privileged invocation with an attacker-influenced environment. The issue affects Linux and macOS and is fixed in version 0.53.0."}], "id": "CVE-2026-126329", "lastModified": "2026-11-12T20:04:52.377", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@docker.com", "type": "Secondary"}]}, "published": "2026-11-12T16:19:04.663", "references": [{"source": "security@docker.com", "url": "https://docs.docker.com/ai/sandboxes/"}], "sourceIdentifier": "security@docker.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-282"}], "source": "security@docker.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["macos", "linux"], "status": "affected", "versions": {"scheme": "semver", "value": "[0.7.0,0.53.0)"}}, {"platform": ["macos", "linux"], "status": "unaffected", "versions": {"scheme": "semver", "value": "[0.53.0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Docker Sandboxes", "source": "cna", "vendor": "Docker"}, "product": "docker_sandboxes", "vendor": "docker"}], "created": "2026-11-13T01:30:09.227806+00:00", "updated": "2026-11-13T17:15:21.819657+00:00", "vendors": ["docker", "docker$PRODUCT$docker_sandboxes"]}