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    CVE-2026-6819

    HKUDS OpenHarness prior to PR #156 remediation exposes plugin lifecycle commands including /plugin install, /plugin enable, /plugin disable, and /reload-plugins to remote senders by default. Attackers who gain access through the channel layer can remotely manage plugin trust and activation state, enabling unauthorized plugin installation and activation on the system.

    Published:Apr 21, 2026
    Last Modified:May 7, 2026
    EPS:Apr 21, 2026
    EPSS Score:0.0004
    CVSS Score:8.8

    Affected Products

    Vendor
    Hkuds
    Product
    Openharness

    Exploits

    https://github.com/HKUDS/OpenHarness/pull/156https://github.com/HKUDS/OpenHarness/pull/156

    Common Weakness Enumeration

    CWE-276 Incorrect Default Permissions

    Related CVEs

    CVE-2026-56696 (CVSS 5.3) — OpenHarness /issue and /pr_comments slash commands lack remote_invocable=False protection, allowing remote cha…
    CVE-2026-56695 (CVSS 7.1) — OpenHarness ohmo gateway /resume and /summary slash commands default remote_invocable to True, allowing admitt…
    CVE-2026-7551 (CVSS 8.7) — HKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remo…
    CVE-2026-6823 (CVSS 8.3) — HKUDS OpenHarness prior to PR #147 remediation contains an insecure default configuration vulnerability where …
    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