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    CVE-2026-126387

    n8n before 2.46.1 contains an arbitrary file read vulnerability that allows authenticated members to read server files by supplying absolute paths to the Browser Use browser_upload tool. Attackers with a connected remote browser session can have Playwright read files such as instance configuration from the n8n server and retrieve their contents from the page.

    Published:Nov 13, 2026
    Last Modified:Nov 13, 2026
    EPS:Nov 13, 2026
    EPSS Score:
    CVSS Score:5.3

    Affected Products

    Vendor
    N8n
    Product
    N8n

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-36 Absolute Path Traversal

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-597 Absolute Path Traversal

    Related CVEs

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    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