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CVE-2026-42306

Moby: Race condition in docker cp allows bind mount redirection to host path

Published: Jun 12, 2026Updated: Jun 16, 2026 Sources: CVE List NVDCWE-61
7.2HIGH
NVD MITRE
EPSS Score
0.1%
Top 98.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only
Self-Check
OpenVAS

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 redirect a bind mount target to an arbitrary host path, potentially overwriting host files or causing denial of service. This issue has been patched in Docker Engine version 29.5.1 and Moby Daemon version 2.0.0-beta.14.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:RS:CC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-61CWE-367

Affected Products

mobyproject
oss-projectaka docker moby
mobyOn-prem
Cloud & SaaS / container-orchestration
moby\/v2On-prem
Cloud & SaaS / container-orchestration
moby
oss-projectaka docker moby
mobyOn-prem
Cloud & SaaS / container-orchestration
docker
commercial·US
engineOn-prem
Cloud & SaaS / container-orchestration

Exploitability

Workaround Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/moby/moby/security/advisories/GHSA-rg2x-37c3-w2rh
github.com

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