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    CVE-2026-6823

    HKUDS OpenHarness prior to PR #147 remediation contains an insecure default configuration vulnerability where remote channels inherit allow_from = ["*"] permitting arbitrary remote senders to pass admission checks. Attackers who can reach the configured channel can bypass access controls and reach host-backed agent runtimes, potentially leading to unauthorized file disclosure and read access through default-enabled read-only tools.

    Published:Apr 21, 2026
    Last Modified:May 7, 2026
    EPS:Apr 21, 2026
    EPSS Score:0.00092
    CVSS Score:8.2

    Affected Products

    Vendor
    Hkuds
    Product
    Openharness

    Exploits

    https://github.com/HKUDS/OpenHarness/pull/147https://github.com/HKUDS/OpenHarness/pull/147

    Common Weakness Enumeration

    CWE-276 Incorrect Default Permissions

    Related CVEs

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    CVE-2026-7551 (CVSS 8.7) — HKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remo…
    CVE-2026-6819 (CVSS 8.7) — HKUDS OpenHarness prior to PR #156 remediation exposes plugin lifecycle commands including /plugin install, /p…
    CVE-2026-6729 (CVSS 5.3) — HKUDS OpenHarness prior to PR #159 remediation contains a session key derivation vulnerability that allows aut…
    CVE-2026-40516 (CVSS 7.8) — OpenHarness before commit bd4df81 contains a server-side request forgery vulnerability in the web_fetch and we…
    CVE-2026-40515 (CVSS 8.7) — OpenHarness before commit bd4df81 contains a permission bypass vulnerability that allows attackers to read sen…
    CVE-2026-40502 (CVSS 8.7) — OpenHarness prior to commit dd1d235 contains a command injection vulnerability that allows remote gateway user…
    CVE-2026-40503 (CVSS 7.1) — OpenHarness prior to commit dd1d235 contains a path traversal vulnerability that allows remote gateway users w…
    CVE-2026-22682 (CVSS 8.4) — OpenHarness prior to commit 166fcfe contains an improper access control vulnerability in built-in file tools d…

    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