Vulnerability Report

CVE-2026-42306

Title: Docker cp race condition allows host path redirection

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2026-42306.

CWE Category CWE-61
Published Date Jun 12, 2026
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 7.2 CVSS v3.1
Exploit Probability (EPSS)
0.10%

Vulnerability Summary

CVE-2026-42306: 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.

Impacted Vendors

A
anchore 1
M
mobyproject 2
D
docker 1

Reference Links

https://github.com/moby/moby/security/advisories/GHSA-rg2x-37c3-w2rh
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.2
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.2
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-42306 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H

Affected Stack

No specific products linked.