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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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.2, requiring local system access to exploit but requires specific conditions to be met though user interaction is required requiring only low-level privileges . The vulnerability impacts integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from docker, from mobyproject, from mobyproject organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-06-12T19:16:27.490

Last Modified

2026-06-17T10:47:39.960

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-61
    CWE-367

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application docker engine < 29.5.1 Yes
Application mobyproject moby ≤ 28.5.2 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes
Application mobyproject moby\/v2 2.0.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For docker's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.