CVE Feed

    Dashboard / CVE / CVE-2026-86543

    CVE-2026-86543

    knowns versions before 0.30.0 serve the management API without authentication on all network interfaces by default, with no password required on fresh installations. Attackers can access the unauthenticated /api/tunnel/start endpoint to provision a public tunnel and republish the API at a publicly accessible address.

    Published:Sep 7, 2026
    Last Modified:Sep 14, 2026
    EPS:Sep 7, 2026
    EPSS Score:0.00443
    CVSS Score:9.8

    Affected Products

    Vendor
    Knowns-dev
    Product
    Knowns

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-88940 (CVSS 6.9) — knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing re…
    CVE-2026-88939 (CVSS 8.7) — knowns through 0.33.0 exempts the project.set action from permission guard checks unconditionally, allowing re…
    CVE-2026-88938 (CVSS 7.1) — knowns through 0.33.0 fails to confine the path argument of the code.find MCP tool to the project root, allowi…
    CVE-2026-88937 (CVSS 8.6) — knowns through 0.33.0 fails to properly validate template destination paths in the code generation template en…
    CVE-2026-88899 (CVSS 9.3) — knowns versions before 0.31.0 fail to properly validate the x-opencode-directory request header in the /api/op…
    CVE-2026-86775 (CVSS 8.8) — knowns (npm package) versions <= 0.29.1 contain a path traversal vulnerability in the Document API. The HTTP h…
    CVE-2026-86544 (CVSS 7.2) — knowns versions before 0.30.0 contain an authorization bypass vulnerability where mutating code actions are in…
    CVE-2026-86542 (CVSS 8.8) — knowns before 0.30.0 fails to validate import names in the import routes, allowing unauthenticated attackers t…
    CVE-2026-86541 (CVSS 7.2) — knowns versions before 0.30.0 contain a path traversal vulnerability in the handleCodeReplace() function that …
    CVE-2026-86540 (CVSS 8.5) — knowns versions before 0.30.0 fail to validate the settings.lsp.languages binary field in project configuratio…

    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