CVE-2026-15791

Public on 2026-07-21
Modified on 2026-07-31
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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.2
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Docker Extra runfinch-finch Pending Fix
Amazon Linux 2023 runfinch-finch Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N