{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75593","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-17T23:49:03.449Z","datePublished":"2026-08-19T20:06:54.924Z","dateUpdated":"2026-08-25T14:02:29.264Z"},"containers":{"cna":{"title":"BuildKit: Malicious client can bypass destination directory validation on local sources upload","problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/moby/buildkit/security/advisories/GHSA-g2h8-426c-7976","tags":["x_refsource_CONFIRM"],"url":"https://github.com/moby/buildkit/security/advisories/GHSA-g2h8-426c-7976"},{"name":"https://github.com/moby/buildkit/releases/tag/v0.31.2","tags":["x_refsource_MISC"],"url":"https://github.com/moby/buildkit/releases/tag/v0.31.2"}],"affected":[{"vendor":"moby","product":"buildkit","versions":[{"version":"< 0.31.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-19T20:06:54.924Z"},"descriptions":[{"lang":"en","value":"BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access BuildKit control API to issue builds, eg., bypass authentication, etc. This issue is fixed in version 0.31.2."}],"source":{"advisory":"GHSA-g2h8-426c-7976","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T14:02:16.589697Z","id":"CVE-2026-75593","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-25T14:02:29.264Z"}}]}}