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    CVE-2026-119409

    OPNsense before 26.7.8 contains a command injection vulnerability that allows authenticated users with the System: Firmware privilege to execute commands as root by storing a malicious firmware mirror URL. Attackers can submit shell metacharacters through POST /api/core/firmware/set that opnsense-update evaluates with eval, and can also disable package signature verification through sed injection.

    Published:Oct 30, 2026
    Last Modified:Oct 31, 2026
    EPS:Oct 30, 2026
    EPSS Score:
    CVSS Score:7.2

    Affected Products

    Vendor
    Opnsense
    Product
    Core
    Vendor
    Opnsense
    Product
    Opnsense

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-119424 (CVSS 6.1) — OPNsense core before 26.7.8 contains a configuration line injection vulnerability that allows authenticated us…
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    CVE-2026-63442 (CVSS 8.1) — OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the unauthenticated WebGU…
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    CVE-2026-58394 (CVSS 5.2) — OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, src/www/system_advanced_a…
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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