{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93317", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "state": "PUBLISHED", "assignerShortName": "Docker", "dateReserved": "2026-09-17T17:17:43.718Z", "datePublished": "2026-10-05T17:43:44.903Z", "dateUpdated": "2026-10-05T17:43:44.903Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "github.com/moby/buildkit", "product": "BuildKit", "vendor": "moby", "versions": [{"version": "0.28.0", "status": "affected", "lessThan": "0.33.1", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "He Wei (https://github.com/hewei-gikaku)"}, {"lang": "en", "type": "finder", "value": "Haoxiang Yan (https://github.com/Yanhaoxi)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An unauthenticated attacker controlling a registry or OCI-layout blob source could provide blob contents that did not match the claimed digest. The resulting snapshot could be cached under that digest and reused by a later victim build, compromising build-input integrity."}], "value": "An unauthenticated attacker controlling a registry or OCI-layout blob source could provide blob contents that did not match the claimed digest. The resulting snapshot could be cached under that digest and reused by a later victim build, compromising build-input integrity."}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "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-354", "description": "CWE-354: Improper Validation of Integrity Check Value", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-10-05T17:43:44.903Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/moby/buildkit/security/advisories/GHSA-p3rc-w3hc-pqvv"}, {"tags": ["patch"], "url": "https://github.com/moby/buildkit/releases/tag/v0.33.1"}], "source": {"discovery": "EXTERNAL"}, "title": "Container blob cache can accept unverified content", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The issue only affects the low-level LLB API with direct blob access from the registry. It can't be reached with Dockerfile builds."}], "value": "The issue only affects the low-level LLB API with direct blob access from the registry. It can't be reached with Dockerfile builds."}]}}}

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