DockerCVE-2026-15792

Docker BuildKit: improper input validation

CVE-2026-15792 · Published Jul 21, 2026 · updated Jul 30, 2026

Medium6.0

Fix: upgrade to 0.31.2 or later

A malicious BuildKit client or frontend could craft a request that could lead to BuildKit daemon crashing with a panic.

Affected versions

Package	Affected	Fixed in
BuildKit Product	< 0.31.2	0.31.2

Details and references

CVSS 4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-20