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    CVE-2026-40503

    OpenHarness prior to commit dd1d235 contains a path traversal vulnerability that allows remote gateway users with chat access to read arbitrary files by supplying path traversal sequences to the /memory show slash command. Attackers can manipulate the path input parameter to escape the project memory directory and access sensitive files accessible to the OpenHarness process without filesystem containment validation.

    Published:Apr 16, 2026
    Last Modified:Apr 23, 2026
    EPS:Apr 16, 2026
    EPSS Score:0.00018
    CVSS Score:6.5

    Affected Products

    Vendor
    Hkuds
    Product
    Openharness

    Exploits

    https://github.com/HKUDS/OpenHarness/pull/127

    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-2026-6819 (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-2026-22682 (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