CVE-2026-121548

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    CVE-2026-121548

    Published: 3 Nov 2026Last Modified: 5 Nov 2026

    Summary: nnn through 5.3 OS Command Injection via togglex Plugin

    Details: Jarun nnn through 5.3 contains an OS command injection vulnerability in plugins/togglex that allows attackers to execute commands via crafted filenames. Attackers can place files whose names contain a double quote and shell syntax, which xargs -I splices into an sh -c script, running commands as the user invoking togglex.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121548.json, https://nvd.nist.gov/vuln/detail/CVE-2026-121548, https://www.vulncheck.com/advisories/nnn-through-5.3-os-command-injection-via-togglex-plugin, https://github.com/jarun/nnn/issues/2188, https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff, https://github.com/jarun/nnn, https://github.com/jarun/nnn/blob/v5.3/plugins/togglex#L15

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -04715921aece0257fef7a8558c0783493d98efff

    Affected versions

    v5.3

    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
    CVE-2026-121548 | CVE-DB