CVE-2026-5752
CVE-2026-5752
Description
Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.
INFO
Published Date :
April 14, 2026, 6:17 p.m.
Last Modified :
April 21, 2026, 3:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-5752
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Terrarium to the latest version.
- Apply vendor patches for Terrarium.
- Review code for similar vulnerabilities.
- Restrict JavaScript execution contexts.
Public PoC/Exploit Available at Github
CVE-2026-5752 has a 3 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-5752.
| URL | Resource |
|---|---|
| https://github.com/cohere-ai/cohere-terrarium | |
| https://kb.cert.org/vuls/id/414811 | |
| https://www.kb.cert.org/vuls/id/414811 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-5752 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-5752
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Automated daily recon for everything new in cybersecurity. Scans 50+ sources every 24 hours.
bugbounty cve-tracker cybersecurity cybersecurity-news cybersecurity-tools exploit-development offensive-security pentesting red-team threat-intelligence
Just some cybersecurity news
None
JavaScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-5752 vulnerability anywhere in the article.
-
The Hacker News
Cohere AI Terrarium Sandbox Flaw Enables Root Code Execution, Container Escape
A critical security vulnerability has been disclosed in a Python-based sandbox called Terrarium that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-5752, is rated 9.3 ... Read more
The following table lists the changes that have been made to the
CVE-2026-5752 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Apr. 21, 2026
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/414811 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 14, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H -
New CVE Received by [email protected]
Apr. 14, 2026
Action Type Old Value New Value Added Description Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal. Added Reference https://github.com/cohere-ai/cohere-terrarium Added Reference https://kb.cert.org/vuls/id/414811