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CVE-2026-5752

Critical Vulnerability: CVE-2026-5752

Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

Tuesday, April 14, 2026Vulnios Threat Intelligence
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Executive Summary

Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

Why It Matters

CVE-2026-5752 is rated CRITICAL severity, requiring immediate attention from security teams.

CVSS Base Score: 9.3/10

🛡️What Defenders Should Check

  • Check if you are affected — Review your asset inventory for products listed in CVE-2026-5752.
  • Apply available patches — Visit vendor advisories for the latest security updates.
  • Monitor for exploitation — Check your SIEM/IDS logs for related indicators.

    • Use Vulnios to continuously monitor your exposure to CVE-2026-5752 and similar vulnerabilities.

    References & Sources

  • https://github.com/cohere-ai/cohere-terrarium
  • https://kb.cert.org/vuls/id/414811

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