CVE-2026-5752 — CRITICAL (9.3)

Vulnerability Description

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

CVSS Score

9.3

CRITICAL

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

References

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

FAQ

What is CVE-2026-5752?

CVE-2026-5752 is a vulnerability with a CVSS score of 9.3 (CRITICAL). Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

How severe is CVE-2026-5752?

CVE-2026-5752 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-5752?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.