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    CVE-2026-100840

    MONAI through 1.6.0 contains a remote code execution vulnerability in the bundle configuration engine that resolves _target_ values to arbitrary importable callables without an allow list and passes $ expressions to Python eval(). Attackers can publish a malicious bundle with crafted configuration containing arbitrary code that executes when a victim loads the bundle using monai.bundle.load() or monai.bundle.run().

    Published:Sep 27, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 27, 2026
    EPSS Score:0.00207
    CVSS Score:7.8

    Affected Products

    Vendor
    Project-monai
    Product
    Monai

    Exploits

    https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-873f-pvrv-4x83

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-35 Leverage Executable Code in Non-Executable Files

    Related CVEs

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    CVE-2026-109361 (CVSS 7) — MONAI 1.2.0 before 1.6.1 contains an insecure deserialization vulnerability in nnUNetV2Runner that unpickles t…
    CVE-2026-109360 (CVSS 7.7) — MONAI 0.4.0 before 1.6.1 contains a remote code execution vulnerability that allows on-path attackers to execu…
    CVE-2026-100846 (CVSS 8.8) — MONAI before 1.5.2 contains a deserialization of untrusted data vulnerability in the algo_from_pickle function…
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    CVE-2026-100844 (CVSS 8.6) — MONAI before 1.6.0 is vulnerable to OS command injection in the nnUNetV2Runner component (monai.apps.nnunet.nn…
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    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