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    CVE-2026-118648

    n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 contains a stored cross-site scripting vulnerability because some webhook response paths, such as error responses and responses without headers, omit the sandbox Content-Security-Policy. Authenticated members who can create and activate workflows can serve HTML that runs on the n8n origin, letting scripts act with the session of users who open the webhook URL.

    Published:Oct 28, 2026
    Last Modified:Nov 3, 2026
    EPS:Oct 28, 2026
    EPSS Score:0.00259
    CVSS Score:7.3

    Affected Products

    Vendor
    N8n
    Product
    N8n

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-118675 (CVSS 5.1) — n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors o…
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    CVE-2026-118647 (CVSS 5.3) — n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 saves the SeaTable Trigger node's API token i…
    CVE-2026-118646 (CVSS 7.1) — n8n before 1.123.85, 2.43.5, and 2.44.1 contains a regular expression denial of service vulnerability that all…

    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