CVE-2026-15791

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Source

https://cve.org/CVERecord?id=CVE-2026-15791

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15791.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-15791

Aliases

GHSA-32pv-7hq5-qhwq

Downstream

Published

2026-07-21T16:10:20Z

Modified

2026-10-20T11:50:21Z

Severity

1.8 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N CVSS Calculator

Summary

LLB file operation can be tricked to remove /tmp directory contents

Details

A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory.

Database specific

{
    "cna_assigner":  "Docker",
    "cwe_ids":  [
        "CWE-22"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15791.json"
}

References

Affected packages

Git / github.com/moby/buildkit

Affected ranges

Type

GIT

Repo

https://github.com/moby/buildkit

Events

Introduced

068cf686a7e5c3254244d0acc54636f4f393611e

Fixed

e42e1bfd389af7203238cce77b1f7dad447285e9

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "0.10.0"
        },
        {
            "fixed":  "0.31.2"
        },
        {
            "cpe":  "cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "0.31.2"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

dockerfile/1.*

dockerfile/1.10.0-rc1

dockerfile/1.10.0-rc1-labs

dockerfile/1.11.0

dockerfile/1.11.0-labs

dockerfile/1.11.0-rc1

dockerfile/1.11.0-rc1-labs

dockerfile/1.11.0-rc2

dockerfile/1.11.0-rc2-labs

dockerfile/1.12.0

dockerfile/1.12.0-labs

dockerfile/1.12.0-rc1

dockerfile/1.12.0-rc1-labs

dockerfile/1.13.0-rc1

dockerfile/1.13.0-rc1-labs

dockerfile/1.14.0-rc1

dockerfile/1.14.0-rc1-labs

dockerfile/1.14.0-rc2

dockerfile/1.14.0-rc2-labs

dockerfile/1.15.0-rc1

dockerfile/1.15.0-rc1-labs

dockerfile/1.16.0-rc1

dockerfile/1.16.0-rc1-labs

dockerfile/1.17.0-rc1

dockerfile/1.17.0-rc1-labs

dockerfile/1.18.0-rc1

dockerfile/1.18.0-rc1-labs

dockerfile/1.18.0-rc2

dockerfile/1.18.0-rc2-labs

dockerfile/1.19.0-rc1

dockerfile/1.19.0-rc1-labs

dockerfile/1.20.0

dockerfile/1.20.0-labs

dockerfile/1.20.0-rc1

dockerfile/1.20.0-rc1-labs

dockerfile/1.21.0-rc1

dockerfile/1.21.0-rc1-labs

dockerfile/1.22.0-rc1

dockerfile/1.22.0-rc1-labs

dockerfile/1.22.0-rc2

dockerfile/1.22.0-rc2-labs

dockerfile/1.23.0

dockerfile/1.23.0-labs

dockerfile/1.23.0-rc1

dockerfile/1.23.0-rc1-labs

dockerfile/1.24.0-rc1

dockerfile/1.24.0-rc1-labs

dockerfile/1.25.0

dockerfile/1.25.0-labs

dockerfile/1.25.0-rc1

dockerfile/1.25.0-rc1-labs

dockerfile/1.25.0-rc2

dockerfile/1.25.0-rc2-labs

dockerfile/1.4.0

dockerfile/1.4.0-labs

dockerfile/1.5.0-rc1

dockerfile/1.5.0-rc1-labs

dockerfile/1.5.0-rc2

dockerfile/1.5.0-rc2-labs

dockerfile/1.6.0

dockerfile/1.6.0-labs

dockerfile/1.6.0-rc1

dockerfile/1.6.0-rc1-labs

dockerfile/1.6.0-rc2

dockerfile/1.6.0-rc2-labs

dockerfile/1.7.0-rc1

dockerfile/1.7.0-rc1-labs

dockerfile/1.8.0

dockerfile/1.8.0-labs

dockerfile/1.8.0-rc1

dockerfile/1.8.0-rc1-labs

dockerfile/1.8.0-rc2

dockerfile/1.8.0-rc2-labs

dockerfile/1.9.0

dockerfile/1.9.0-labs

dockerfile/1.9.0-rc1

dockerfile/1.9.0-rc1-labs

dockerfile/1.9.0-rc2

dockerfile/1.9.0-rc2-labs

v0.*

v0.10.0

v0.11.0-rc1

v0.11.0-rc2

v0.11.0-rc3

v0.12.0

v0.12.0-rc1

v0.12.0-rc2

v0.13.0-beta1

v0.13.0-beta2

v0.13.0-beta3

v0.13.0-rc1

v0.13.0-rc2

v0.13.0-rc3

v0.14.0

v0.14.0-rc1

v0.14.0-rc2

v0.15.0

v0.15.0-rc1

v0.15.0-rc2

v0.16.0-rc1

v0.16.0-rc2

v0.17.0

v0.17.0-rc1

v0.17.0-rc2

v0.18.0

v0.18.0-rc1

v0.18.0-rc2

v0.19.0-rc1

v0.19.0-rc2

v0.19.0-rc3

v0.20.0-rc1

v0.20.0-rc2

v0.21.0-rc1

v0.22.0-rc1

v0.23.0-rc1

v0.24.0-rc1

v0.24.0-rc2

v0.25.0-rc1

v0.26.0

v0.26.0-rc1

v0.26.0-rc2

v0.27.0-rc1

v0.27.0-rc2

v0.28.0-rc1

v0.28.0-rc2

v0.29.0

v0.29.0-rc1

v0.30.0-rc1

v0.30.0-rc2

v0.31.0

v0.31.0-rc1

v0.31.0-rc2

v0.31.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15791.json"