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    CVE-2026-77825

    IBM ContextForge MCP Gateway 1.0.0 through 1.0.8 was vulnerable to path traversal in its Admin API log-download endpoint (`GET /v1/admin/logs/file`). The path confinement check uses `str.startswith()` rather than proper boundary validation, allowing an authenticated admin to read `.log`, `.jsonl`, and `.json` files outside the configured `LOG_FOLDER` by supplying a filename that resolves into a sibling directory whose absolute path shares the log directory's string prefix.

    Published:Sep 24, 2026
    Last Modified:Sep 29, 2026
    EPS:Sep 24, 2026
    EPSS Score:0.00316
    CVSS Score:4.9

    Affected Products

    Vendor
    Ibm
    Product
    Contextforge
    Vendor
    Ibm
    Product
    Contextforge-mcp-gateway
    Vendor
    Ibm
    Product
    Contextforge Mcp Gateway

    Exploits

    No exploit reference

    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