CVE-2026-41568 PUBLISHED

Moby: Race condition in docker cp allows creation of arbitrary empty files on the host via symlink swap

Assigner: GitHub_M
Reserved: 21.04.2026 Published: 12.06.2026 Updated: 12.06.2026

Moby is an open source container framework. In Docker Engine prior to version 29.5.1, Docker Daemon versions 28.5.2 and prior, and Moby Daemon prior to version 2.0.0-beta.14, a race condition during docker cp mount setup allows a malicious container to create empty files or directories at arbitrary absolute paths on the host filesystem. This issue has been patched in Docker Engine version 29.5.1 and Moby Daemon version 2.0.0-beta.14.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:H
CVSS Score: 6.1

Attack Vector	Local	Scope	Changed
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	moby
Product	moby
Versions	Version github.com/docker/docker/daemon <= 28.5.2 is affected Version Docker Engine < 29.5.1 is affected Version github.com/moby/moby/v2/daemon < 2.0.0-beta.14 is affected

References

https://github.com/moby/moby/security/advisories/GHSA-vp62-88p7-qqf5

Problem Types

CWE-81: Improper Neutralization of Script in an Error Message Web Page CWE
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition CWE