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CVE-2026-41568

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

Medium6.1EPSS 0.11%
Published
Updated
Reserved
Assigned by
GitHub_M

Description

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.

Scores

CVSS scores of CVE-2026-41568, by who scored it
Scored byCVSSScoreVector
GitHub_MCNA (assigner)3.1Medium6.1CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:H
NVDNVD · Analyzed3.1Medium6.1CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:H
EPSS (exploitation in 30 days)
0.11% · top 99% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.

Weakness

Affected products

  • moby · moby

    • affected github.com/docker/docker/daemon <= 28.5.2
    • affected Docker Engine < 29.5.1
    • affected github.com/moby/moby/v2/daemon < 2.0.0-beta.14

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .