CVE-2026-5752: Cohere Cohere-Terrarium

Critical severity, CVSS 9.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• Cohere Cohere-Terrarium: version 1.0.1 only

Published 2026-04-14. Last modified 2026-07-24.