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    CVE-2026-54640

    OpenRemote is an open-source internet-of-things platform. Prior to 1.24.2, the KNXProtocol.startAssetImport method in agent/src/main/java/org/openremote/agent/protocol/knx/KNXProtocol.java processes 0.xml from an authenticated user's uploaded ETS project ZIP with Saxon TransformerFactoryImpl and XMLInputFactory parsers that permit external entity resolution. This incomplete remediation of CVE-2026-40882 leaves the KNX handler unprotected while the parallel Velbus handler is hardened, allowing a regular realm user to read files accessible to the JVM process or cause server-side requests. This issue is fixed in version 1.24.2.

    Published:Oct 13, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 13, 2026
    EPSS Score:0.00219
    CVSS Score:7.6

    Affected Products

    Vendor
    Openremote
    Product
    Openremote
    Vendor
    Openremote
    Product
    Openremote-manager

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

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    CVE-2026-54641 (CVSS 7.7) — OpenRemote is an open-source internet-of-things platform. Prior to 1.24.2, the get, getUserClientRoles, and ge…
    CVE-2026-49439 (CVSS 4.3) — OpenRemote is an open-source internet-of-things platform. Prior to version 1.24.1, the predicted datapoint wri…
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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