npm package report

Is object-extend safe?

1 known vulnerability, worst severity CRITICAL.

// reach

0 direct dependencies

none carry a known advisory

    0 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
      0.0
      high

      severity out of 10

      epss
      0.00%
      medium

      chance of exploitation in 30 days, 71st percentile of all CVEs

      xyz score
      0.0
      medium

      CyberXYZ composite out of 10

      fig. 01 — GHSA-m639-9whg-fw97, the advisory selected below

      // 1 advisories

      GHSA-m639-9whg-fw97

      CRITICALCVE-2021-23702

      The package object-extend from 0.0.0 through 0.5.0 is vulnerable to Prototype Pollution via object-extend.

      // 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

      Checked 2026-10-04 at 01:08 UTC. The most recent advisory here was published 2022-02-19. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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