npm package report

Is @theia/preview 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
      critical

      severity band, no base score published

      epss
      0.00%
      medium

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

      xyz score
      0.0
      medium

      CyberXYZ composite out of 10

      fig. 01 — GHSA-gcm9-cc3r-c6vj, the advisory selected below

      // 1 advisories

      GHSA-gcm9-cc3r-c6vj

      CRITICALCVE-2020-27224

      In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

      // cvss v3.1 vector

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

      Attack vector
      Network
      Attack complexity
      Low
      Privileges required
      None
      User interaction
      Required
      Scope
      Changed
      Confidentiality
      High
      Integrity
      High
      Availability
      High

      Checked 2026-10-04 at 01:15 UTC. The most recent advisory here was published 2021-04-13. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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