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    CVE-2026-100845

    MONAI before 1.6.0 contains an unsafe deserialization vulnerability in the NumpyReader class that unconditionally uses numpy.load with allow_pickle=True when loading .npy and .npz files. Attackers can craft malicious .npy files with pickle payloads that execute arbitrary code when loaded through MONAI's standard data pipeline.

    Published:Sep 27, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 27, 2026
    EPSS Score:0.00136
    CVSS Score:7.8

    Affected Products

    Vendor
    Project-monai
    Product
    Monai

    Exploits

    https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-wg9g-w2j2-8pgrhttps://github.com/Project-MONAI/MONAI/security/advisories/GHSA-wg9g-w2j2-8pgr

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    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…
    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…
    CVE-2026-100843 (CVSS 8.5) — MONAI versions before 1.6.0 contain a remote code execution vulnerability in the algo_from_pickle() function d…
    CVE-2026-100842 (CVSS 7.3) — MONAI through 1.6.0 contains an eval injection vulnerability in _get_fake_spatial_shape() in monai/bundle/scri…

    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