Docker Buildx Filesystem Entitlements Protection Mechanism Failure Remote Code Execution Vulnerability

October 15th, 2026
ZDI-26-758 ZDI-CAN-31688

CVE ID

CVE-2026-93325

CVSS Score

7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Docker

Affected Products

Buildx

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Docker Buildx. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of bake definition files. The issue results from the failure to apply a protection mechanism. An attacker can leverage this vulnerability to execute code in the context of the current user.

Additional Details

Docker has issued an update to correct this vulnerability. More details can be found at:
https://github.com/docker/buildx/security/advisories/GHSA-gwr2-q96m-6682

Disclosure Timeline

  • 2026-07-29 - Vulnerability reported to vendor
  • 2026-10-15 - Coordinated public release of advisory
  • 2026-10-15 - Advisory Updated

Credit

Jabr Al-Otaibi

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