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
2026-08-12T03:51:37Z
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 
{
    "cpe": "cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.10.0"
        },
        {
            "fixed": "0.31.2"
        },
        {
            "introduced": "0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

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"