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    CVE-2026-34040

    Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.

    Published:Mar 31, 2026
    Last Modified:Jun 16, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.08123
    CVSS Score:8.8

    Affected Products

    Vendor
    Docker
    Product
    Engine
    Vendor
    Moby
    Product
    Moby

    Exploits

    https://github.com/m0nk3ygod/CVE-2026-34040-PoC

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-127 Directory Indexing
    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-42306 (CVSS 7.2) — Moby is an open source container framework. In Docker Engine prior to version 29.5.1, Docker Daemon versions 2…
    CVE-2026-41568 (CVSS 6.1) — Moby is an open source container framework. In Docker Engine prior to version 29.5.1, Docker Daemon versions 2…
    CVE-2026-33997 (CVSS 6.8) — Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detecte…
    CVE-2025-54410 (CVSS 3.3) — Moby is an open source container framework developed by Docker Inc. that is distributed as Docker Engine, Mira…
    CVE-2025-54388 (CVSS 5.1) — Moby is an open source container framework developed by Docker Inc. that is distributed as Docker Engine, Mira…
    CVE-2020-13401 (CVSS 6) — An issue was discovered in Docker Engine before 19.03.11. An attacker in a container, with the CAP_NET_RAW cap…
    CVE-2018-20699 (CVSS 4.9) — Docker Engine before 18.09 allows attackers to cause a denial of service (dockerd memory consumption) via a la…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High