npm package report

Is sync-exec safe?

sync-exec (npm) has 1 known vulnerability, the worst rated MODERATE. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    6 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
    6.5
    medium

    CVSS v3.0 base score out of 10

    epss
    2.5%
    medium

    chance of exploitation in 30 days, 85th percentile of all CVEs

    xyz score
    not scored

    CyberXYZ composite out of 10

    fig. 01 — GHSA-38h8-x697-gh8q, the advisory selected below

    // 1 advisories

    Affected versions of sync-exec use files located in /tmp/ to buffer command results before returning values.

    Full advisory text at GitHub advisory or NVD.

    // cvss v3.0 vector

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

    Attack vector
    Network
    Attack complexity
    Low
    Privileges required
    Low
    User interaction
    None
    Scope
    Unchanged
    Confidentiality
    High
    Integrity
    None
    Availability
    None
    // questions
    Is sync-exec safe to install?

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

    Does sync-exec have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for sync-exec (npm), the worst rated MODERATE. They are GHSA-38h8-x697-gh8q.

    How do I check sync-exec before installing?

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


    Checked 2026-11-14 at 07:33 UTC. The most recent advisory here was published 2018-11-09. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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