DockerCVE-2026-15792

Docker BuildKit: improper input validation

Medium6.0CVE-2026-15792 · Published Jul 21, 2026 · updated Jul 30, 2026

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

Docker advisory

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

More Docker advisories

Date	Advisory	Severity	Fixed in
Aug 18	Docker CLI: link following High7.1Aug 18 CVE-2026-17106go-archive 0.3.0+4 more	High7.1	go-archive 0.3.0+4 more
Aug 12	Docker Sandboxes: improper authorization Medium5.7Aug 12 CVE-2026-18171No fix yet	Medium5.7	No fix yet
Jul 21	Docker BuildKit: argument injection High7.3Jul 21 CVE-2026-15793No fix yet	High7.3	No fix yet
Jul 21	Docker BuildKit: authentication bypass Medium6.9Jul 21 CVE-2026-157890.31.2	Medium6.9	0.31.2
Jul 21	Docker BuildKit: path traversal Low1.8Jul 21 CVE-2026-157910.31.2	Low1.8	0.31.2
Jul 20	Docker BuildKit: link following Medium5.6Jul 20 CVE-2026-157880.31.2	Medium5.6	0.31.2

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.