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CVE-2026-15791

🗓️ 21 Jul 2026 16:10:20Reported by DockerType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

A crafted BuildKit low-level API message can delete /tmp contents from the build container and escape to the host.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-15791
21 Jul 202618:21
circl
Cvelist
CVE-2026-15791 LLB file operation can be tricked to remove /tmp directory contents
21 Jul 202616:10
cvelist
EUVD
EUVD-2026-46310
21 Jul 202616:10
euvd
NVD
CVE-2026-15791
21 Jul 202617:17
nvd
Positive Technologies
PT-2026-61984
21 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-15791 LLB file operation can be tricked to remove /tmp directory contents
21 Jul 202616:10
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Linux",
      "MacOS",
      "Windows"
    ],
    "product": "BuildKit",
    "vendor": "moby",
    "versions": [
      {
        "version": "0.10.0",
        "status": "affected",
        "lessThan": "0.31.2",
        "versionType": "semver"
      }
    ]
  }
]

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21 Jul 2026 18:27Current
5.4Medium risk
Vulners AI Score5.4
CVSS 41.8
SSVC
5