npm package report

Is @casl/ability safe?

@casl/ability (npm) has 1 known vulnerability, the worst rated CRITICAL. Upgrade to 6.7.5 or later to clear it. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    2 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
    9.8
    critical

    CVSS v3.1 base score out of 10

    epss
    0.70%
    medium

    chance of exploitation in 30 days, 54th percentile of all CVEs

    xyz score
    4.0
    medium

    CyberXYZ composite out of 10

    fig. 01 — GHSA-x9vf-53q3-cvx6, the advisory selected below

    // 1 advisories

    CASL Ability, versions 2.4.0 through 6.7.4, contains a prototype pollution vulnerability.

    Full advisory text at GitHub advisory or NVD.

    // cvss v3.1 vector

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

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

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

    Does @casl/ability have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for @casl/ability (npm), the worst rated CRITICAL. They are GHSA-x9vf-53q3-cvx6.

    Which version of @casl/ability should I use?

    6.7.5 or later clears every advisory recorded for @casl/ability (npm). Check the release you pick before installing it.

    How do I check @casl/ability before installing?

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


    Checked 2026-11-14 at 09:14 UTC. The most recent advisory here was published 2026-02-10. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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