CVE-2026-5752

CRITICALNVD 9.39.3—

9.3

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

CVSS v3: 9.3
EG Score: 9.3(medium)
EPSS: 7.8%
KEV: Not listed

Published

April 14, 2026

Last Modified

April 21, 2026

Advisory Details (3)

Auto-updated May 2, 2026

No patch confirmed yet. Sources: cert.

cert

VU#414811 - Terrarium contains a vulnerability that allows arbitrary code execution

https://www.kb.cert.org/vuls/id/414811

cert

VU#414811 - Terrarium contains a vulnerability that allows arbitrary code execution

https://kb.cert.org/vuls/id/414811

generic

GitHub - cohere-ai/cohere-terrarium: A simple Python sandbox for helpful LLM data agents · GitHub

https://github.com/cohere-ai/cohere-terrarium

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 17:16 UTCEG score recompute
2026-05-20 17:16 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-5752?

CVE-2026-5752 is a critical vulnerability published on April 14, 2026. Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

When was CVE-2026-5752 disclosed?

CVE-2026-5752 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-5752 actively exploited?

CVE-2026-5752 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-5752?

CVE-2026-5752 has a CVSS v3 base score of 9.3 (NVD).

How do I remediate CVE-2026-5752?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5752, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-5752

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

VU#414811 - Terrarium contains a vulnerability that allows arbitrary code execution

VU#414811 - Terrarium contains a vulnerability that allows arbitrary code execution

GitHub - cohere-ai/cohere-terrarium: A simple Python sandbox for helpful LLM data agents · GitHub

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-5752?

Published

Last Modified

Advisory Details (3)

Frequently asked(5)