{"id":"CVE-2026-75593","aliases":["AZL-97035","EUVD-2026-62839","GHSA-g2h8-426c-7976","GHSA-wqjv-cjqw-p7p5","RHSA-2026:50953","RHSA-2026:51065","RHSA-2026:52807"],"status":"published","title":"BuildKit: Malicious client can bypass destination directory validation on local sources upload","description":"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.","severity":{"version":"4.0","score":7.2,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00541,"percentile":0.45762,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2026-07-21T16:10:20.421Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:3","package":"moby-engine","fixed_in":["25.0.3-20"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"moby-engine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.0.3-20"}]}]},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"trivy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.73.0-0.1.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"buildah","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.45.0-2.hum1"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"podman","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.0.2-2.2.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"podman-docker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.0.2-2.2.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"podman-machine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.0.2-2.2.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"podman-remote","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.0.2-2.2.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"podmansh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.0.2-2.2.hum1"}]}],"bundled":2}],"products":[{"vendor":"moby","product":"buildkit"}],"references":[{"url":"https://github.com/moby/buildkit/security/advisories/GHSA-g2h8-426c-7976","tags":["x_refsource_CONFIRM","advisory","article"]},{"url":"https://github.com/moby/buildkit/releases/tag/v0.31.2","tags":["x_refsource_MISC","web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75593","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-wqjv-cjqw-p7p5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15789.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15789","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75593.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50953","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-75593","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-71556","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_50953.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2512562","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-71556","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71556","tags":["advisory"]},{"url":"https://github.com/go-git/go-git/commit/008a78f2dd86f52544ddff8b8e8ddeecdf3f7aab","tags":["article"]},{"url":"https://github.com/go-git/go-git/commit/661d1c7f101d34e002a3cfcf8dbea5b7421d07ac","tags":["article"]},{"url":"https://github.com/go-git/go-git/releases/tag/v5.19.2","tags":["article"]},{"url":"https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.5","tags":["article"]},{"url":"https://github.com/go-git/go-git/security/advisories/GHSA-hc8v-wwc9-vgxm","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2519913","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-75593","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:51065","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-15788","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-56852","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-15789","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_51065.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502989","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15788","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15788","tags":["advisory"]},{"url":"https://github.com/moby/buildkit/security/advisories/GHSA-388v-wmr2-g2v2","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2503742","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15789","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2504233","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-56852","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56852","tags":["advisory"]},{"url":"https://go.dev/cl/794100","tags":["article"]},{"url":"https://go.dev/issue/80142","tags":["article"]},{"url":"https://pkg.go.dev/vuln/GO-2026-5970","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:52807","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-17106","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_52807.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2518147","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-17106","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17106","tags":["advisory"]},{"url":"https://docs.docker.com/desktop/release-notes/#4860","tags":["article"]},{"url":"https://docs.docker.com/engine/release-notes/29/#2970","tags":["article"]},{"url":"https://github.com/docker/cli/releases/tag/v29.7.0","tags":["article"]},{"url":"https://github.com/docker/compose/releases/tag/v5.4.0","tags":["article"]},{"url":"https://github.com/docker/sbx-releases/releases/tag/v0.38.0","tags":["article"]},{"url":"https://github.com/moby/go-archive/releases/tag/v0.3.0","tags":["article"]},{"url":"https://github.com/moby/go-archive/security/advisories/GHSA-hfg8-hc9c-6c3h","tags":["article"]}],"sources":{"cve":[{"id":"CVE-2026-75593","title":"BuildKit: Malicious client can bypass destination directory validation on local sources upload","description":"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.","status":"published","published":"2026-08-19T20:06:54.924Z","modified":"2026-08-25T14:02:29.264Z","cvss":[{"version":"4.0","score":7.2,"vector":"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","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:07.260654Z"}],"euvd":[{"id":"EUVD-2026-62839","description":"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.","status":"published","published":"2026-08-19T20:06:54Z","modified":"2026-08-25T14:02:29Z","cvss":[{"version":"4.0","score":7.2,"vector":"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","level":"high"}],"updated_at":"2026-11-02T18:01:33.385611Z"}],"ghsa":[{"id":"GHSA-wqjv-cjqw-p7p5","title":"BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive...","description":"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.","status":"published","published":"2026-08-19T21:30:36Z","modified":"2026-08-19T21:30:46Z","cvss":[{"version":"4.0","score":7.2,"vector":"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/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","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:10:44.718568Z"}],"nvd":[{"id":"CVE-2026-75593","description":"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.","status":"published","published":"2026-08-19T20:17:23.203Z","modified":"2026-09-09T21:15:59.613Z","cvss":[{"version":"4.0","score":7.2,"vector":"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/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","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:39.962615Z"}],"osv":[{"id":"CVE-2026-15789","title":"Malicious client can bypass destination directory validation on local sources upload","description":"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 the BuildKit control API to issue builds, e.g., bypass authentication, etc.","status":"published","published":"2026-07-21T16:10:20.421Z","modified":"2026-10-29T11:42:20.850410518Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:57.682091Z"},{"id":"CVE-2026-75593","title":"BuildKit: Malicious client can bypass destination directory validation on local sources upload","description":"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.","status":"published","published":"2026-08-19T20:06:54.924Z","modified":"2026-10-28T02:31:10.493754527Z","cvss":[{"version":"4.0","score":7.2,"vector":"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","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:17.102988Z"},{"id":"RHSA-2026:50953","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-09-05T10:15:08Z","modified":"2026-10-20T10:10:32Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:20.984762Z"},{"id":"RHSA-2026:51065","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-08-07T10:28:37Z","modified":"2026-10-20T10:10:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:20.984762Z"},{"id":"RHSA-2026:52807","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-09-03T10:11:50Z","modified":"2026-10-20T10:10:41Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"AZL-97035","title":"CVE-2026-75593 affecting package moby-engine for versions less than 25.0.3-20","description":"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.","status":"published","published":"2026-08-19T20:17:23Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:26.280152Z"}]}}