npm package report

Is engine.io-client safe?

engine.io-client (npm) has 1 known vulnerability, the worst rated MODERATE. Upgrade to 1.6.9 or later to clear it. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    5 packages depend on it

    an advisory here reaches each of them

    Create a free accountfor every dependency path, dependent and what to upgrade
    // ai model usage

    Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.


    cvss
    5.9
    medium

    CVSS v3.0 base score out of 10

    epss
    0.98%
    medium

    chance of exploitation in 30 days, 63rd percentile of all CVEs

    xyz score
    not scored

    CyberXYZ composite out of 10

    fig. 01 — GHSA-4r4m-hjwj-43p8, the advisory selected below

    // 1 advisories

    Affected versions of engine.io-client do not verify certificates by default, and as such may be vulnerable to Man-in-the-Middle attacks.

    Full advisory text at GitHub advisory or NVD.

    // cvss v3.0 vector

    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

    Attack vector
    Network
    Attack complexity
    High
    Privileges required
    None
    User interaction
    None
    Scope
    Unchanged
    Confidentiality
    High
    Integrity
    None
    Availability
    None
    // questions
    Is engine.io-client safe to install?

    CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for engine.io-client (npm), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.

    Does engine.io-client have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for engine.io-client (npm), the worst rated MODERATE. They are GHSA-4r4m-hjwj-43p8.

    Which version of engine.io-client should I use?

    1.6.9 or later clears every advisory recorded for engine.io-client (npm). Check the release you pick before installing it.

    How do I check engine.io-client before installing?

    Search engine.io-client in CyberXYZ Check at https://cyberxyz.io/check?q=engine.io-client. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.


    Checked 2026-11-14 at 06:49 UTC. The most recent advisory here was published 2019-02-18. Updated continuously from NVD, GHSA, OSV and CNA feeds.

    Think a verdict here is wrong? Tell us — we respond within 2 business days.