Docker Sandboxes Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability

November 6th, 2026
ZDI-26-894 ZDI-CAN-33973

CVE ID

CVE-2026-121614

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

Sandboxes

Vulnerability Details

This vulnerability allows local attackers to execute arbitrary code on affected installations of Docker Sandboxes. 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 creation of sandboxes using the clone mode. The issue results from launching an executable from an untrusted location. 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://www.cve.org/CVERecord?id=CVE-2026-121614

Disclosure Timeline

  • 2026-08-28 - Vulnerability reported to vendor
  • 2026-11-06 - Coordinated public release of advisory
  • 2026-11-06 - Advisory Updated

Credit

Nitesh Surana (niteshsurana.com) of TrendAI Research

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