npm package report

Is @sigstore/core safe?

@sigstore/core (npm) has 1 known vulnerability, the worst rated MODERATE. Upgrade to 3.2.1 or later to clear it. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    1 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
    5.4
    medium

    CVSS v3.1 base score out of 10

    epss
    0.24%
    low

    chance of exploitation in 30 days, 15th percentile of all CVEs

    xyz score
    not scored

    CyberXYZ composite out of 10

    fig. 01 — GHSA-jfc7-64v2-mr8c, the advisory selected below

    // 1 advisories

    The preAuthEncoding function in @sigstore/core uses Node.js 'ascii' encoding when converting the PAE (Pre-Authentication Encoding) string to bytes.

    Full advisory text at GitHub advisory or NVD.

    // cvss v3.1 vector

    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

    Attack vector
    Network
    Attack complexity
    Low
    Privileges required
    Low
    User interaction
    None
    Scope
    Unchanged
    Confidentiality
    None
    Integrity
    Low
    Availability
    Low
    // questions
    Is @sigstore/core safe to install?

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

    Does @sigstore/core have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for @sigstore/core (npm), the worst rated MODERATE. They are GHSA-jfc7-64v2-mr8c.

    Which version of @sigstore/core should I use?

    3.2.1 or later clears every advisory recorded for @sigstore/core (npm). Check the release you pick before installing it.

    How do I check @sigstore/core before installing?

    Search @sigstore/core in CyberXYZ Check at https://cyberxyz.io/check?q=%40sigstore%2Fcore. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.


    Checked 2026-11-14 at 13:13 UTC. The most recent advisory here was published 2026-06-26. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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