CVE-2026-15791
HIGHMoby BuildKit LLB File Operation - Host /tmp Deletion
Title source: manualDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://github.com/moby/buildkit/security/advisories/GHSA-32pv-7hq5-qhwq
Scores
CVSS v3
7.5
EPSS
0.0014
EPSS Percentile
4.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (2)
moby/BuildKit
0.10.0 - 0.31.2
mobyproject/buildkit
< 0.31.2
Published
Jul 21, 2026
Tracked Since
Jul 21, 2026