CVE-2026-5752

CRITICAL 9.3

CVE-2026-5752

CVSS Score

9.3

EPSS Score

0.0%

EPSS Percentile

0th

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

Vendor	cohere
Product	cohere-terrarium
Published	Apr 14, 2026
Last Updated	Apr 14, 2026

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Affected Versions

Cohere / cohere-terrarium

all

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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