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Solution
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Workaround
The issue only affects the low-level API and can not be reached when building Dockerfiles. Using a custom BuildKit frontend would be needed to make such a crafted request.
Tue, 21 Jul 2026 17:30:00 +0000
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ssvc
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Tue, 21 Jul 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | LLB file operation can be tricked to remove /tmp directory contents | |
| Weaknesses | CWE-22 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: Docker
Published:
Updated: 2026-07-21T17:08:54.555Z
Reserved: 2026-07-14T19:30:08.561Z
Link: CVE-2026-15791
Updated: 2026-07-21T17:08:39.627Z
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OpenCVE Enrichment
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