npm package report

Is http-cache-semantics safe?

http-cache-semantics (npm) has 1 known vulnerability, the worst rated HIGH. Upgrade to 4.1.1 or later to clear it. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    7 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
    7.5
    high

    CVSS v3.1 base score out of 10

    epss
    1.7%
    medium

    chance of exploitation in 30 days, 77th percentile of all CVEs

    xyz score
    4.2
    medium

    CyberXYZ composite out of 10

    fig. 01 — GHSA-rc47-6667-2j5j, the advisory selected below

    // 1 advisories

    http-cache semantics contains an Inefficient Regular Expression Complexity , leading to Denial of Service.

    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:N/I:N/A:H

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

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

    Does http-cache-semantics have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for http-cache-semantics (npm), the worst rated HIGH. They are GHSA-rc47-6667-2j5j.

    Which version of http-cache-semantics should I use?

    4.1.1 or later clears every advisory recorded for http-cache-semantics (npm). Check the release you pick before installing it.

    How do I check http-cache-semantics before installing?

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


    Checked 2026-11-14 at 06:22 UTC. The most recent advisory here was published 2023-01-31. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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