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High severity7.5NVD Advisory· Published Jul 21, 2026· Updated Jul 30, 2026

CVE-2026-15791

CVE-2026-15791

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Mobyproject/Buildkit2 versions
    cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*range: <0.31.2
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

0

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